The Best Probiotic and Prebiotic Supplements for 2024

Feb 28, 2024

For millions of years, our ancestors ingested the best probiotic and prebiotic supplements through hunting and gathering, including fresh unwashed food from the ground and trees. It is only under a microscope that we have become aware of the billions of microorganisms that also occupy these foods and then our guts.

When the agricultural age arrived, we discovered new ways of harnessing this invisible world of bacteria through the fermentation of dairy, vegetables, and grains that also provided a long shelf life without refrigeration.

Now enter the modern age, where the war on germs has led to the rise of extreme sanitation of our hands, refrigeration of our food, and washing of our fruits and vegetables. Let’s not be mistaken, good sanitation has helped prevent the plagues of our past. Like every case of extremes, we are now seeing the effects of taking sanitation too far when we look at our microbiome.

The Two Worlds of the Best Probiotics and Prebiotics

The word “probiotics” is derived from Latin and Greek, and literally means “for life.” The way we get probiotics is from the dirt, unwashed food and fermented foods and drinks. The bacteria in the dirt are different than the bacteria in fermented food.

We have put a lot of focus and research on the probiotic strains including lactobacilli and bifidobacterium, but have neglected many of those found in dirt. These are the ones we are exposed to as children when we stick our hands in the dirt and then our mouths.

Many people also haven’t heard of prebiotics. Prebiotics have been found to alter the neuroendocrine response, decreasing anxiety, and depression. Prebiotics are the fiber component of plants that help feed the probiotics and help them colonize.

Certain people have a lower prebiotic production in their body due to the FUT2 gene found in the Nutrition Genome Report, and therefore require more of these foods to help colonization. This is especially true when multiple rounds of antibiotics have been used. Therefore, prebiotics and probiotics are necessary for a happy, diverse microbiome.

Tiger Nuts (dehydrated root vegetables) are a food that have made a come back to the market from the Paleolithic age, a prebiotic that companies claim comprised 80% of our pre-human ancestors’ diet about two million years ago. Dandelion greens, kiwi, garlic, leeks, radicchio, garlic, artichokes, bananas, yacon syrup, asparagus, pistachios and chicory root are all examples of prebiotics.

The Microbiome Project

Along with genetics, our gut microbiome is going to become one of the major medical revolutions in the understanding of our bodies and disease. We are made up of ten trillion human cells, but there are a hundred trillion microbial cells in and on your body. That means that the microbes are really the ones running the show.

We only share approximately 10% of the microbes with each other. Combined with genetics, it is this percentage that we see the difference in weight, allergies, asthma, inflammatory bowel disease, multiple sclerosis, anxiety, depression, arthritis, autism and more.

It is in the diet and enzymatic activity that may positively influence these microbes, and our genes show how susceptible we are. But as I’ve explained through Nutrition Genome, genes are fixed but the epigenome is flexible.

Seventy to eighty percent of your immune system is made up of the beneficial bacteria living in your gut. Establishment of normal gut flora in the first 20 days of life plays a crucial role in appropriate maturation of a baby’s immune system. Hence, babies who develop abnormal gut flora and bad bacteria are left with compromised immune systems and allergies rise.

We know that low-diversity microbiomes have been associated with those in hospitals and with worse health outcomes. We may find out that centenarians (those living over 100) have an extremely diverse and healthy microbiome, or perhaps there are “longevity strains” that are found in higher amounts in these individuals.

The Health Spectrum of the Microbiome: What are the Benefits of Probiotics?

I wrote an article titled Mental Health Starts in the Gut, Not the Brain. As you will see, we are just beginning to see how significant our bacterial populations are with our health.

Grains

According to microbiome researcher Jeff Leach “Whole grain consumption seems to be associated with high levels of a type of bacteria called prevotella. Prevotella has been associated with inflammation in HIV patients and it’s been associated with rheumatoid arthritis. We don’t know why that is, so the jury’s still out on whole grains.”

Food Allergies

The peanut allergy rise has currently been blamed on the “hygiene theory.” Basically, we are too clean and too quick to use antibiotics. Our immune system is not given a chance to be exercised and made stronger and therefore overreacts.

More specifically, evidence points towards poor gut flora as being the cause. One study in the Journal of Immunology found that an extract taken from E. Coli – which is a bacteria in our gut and becomes a problem when not kept in check – broke down the peanut proteins where the enzymes failed, and practically eliminated the allergenic response. I imagine it is the collective work of many different strains of bacteria that eliminate this response altogether.

About 35% of children with moderate to severe atopic dermatitis have skin symptoms provoked by food hypersensitivity.

Oral Health and Migraines 

One of the bacteria strains responsible for gum disease and tooth decay is called Streptococcus mutans. This showed up in the beginning of the agricultural age when grain and sugar intake went up. The same is true today when grain and sugar consumption gets too high in our diet.

Before you start swishing mouthwash to kill off Streptococcus mutans, remember the lesson of antibiotics. While killing off the bad, you are also killing off the good. There is a balanced community, and it is better to increase the good guys than to drop a bomb on everyone. Streptococcus salivarius is the strain that prevents cavities and promotes healthy gums.

When you eat nitrates (NO3-) from leafy green vegetables, they are converted to nitrites (1 oxygen is taken away to NO2-) by bacteria in the mouth. Nitrites produce nitric oxide (NO, another oxygen is lost). NO relaxes and dilates blood vessels, improving cardiovascular health and numerous other functions.

Beets are major sources of nitrates, and the reason they have been shown to improve athletic performance and lower blood pressure is due to the production of healthy nitric oxide levels.

However, the types and amounts of nitrate to nitrite conversion bacteria ranges person to person. Research has found that 4 out of 5 people who take nitrate-containing drugs for chest pain or congestive heart failure report severe headaches. Due to relaxing and constricting activity of nitric oxide, this mechanism is of major interest for migraines.

Women experience hormonal migraines right before their period because estrogen and serotonin plummet, causing nitric oxide to constrict. Perhaps we will find out that migraine trigger foods are actually linked to their microbiome population. 

Cardiovascular Health

When the latest study connected L-Carnitine from red meat consumption to higher levels of cardiovascular disease due to TMAO, it had to do with poor gut flora, not L-Carnitine in meat. A similar logic was analyzed with isolated choline and blood clots, omitting the fact the choline is often packaged in food with DHA that naturally thins the blood. TMAO fuels growth of E. Coli and salmonella.

TMAO is a precursor of dimethlynitrosamine, which is linked to liver cirrhosis and heart disease. When certain unfavorable gut bacteria are in higher amounts in the gut (from a poor diet), higher amounts of TMAO are produced.

Increase your good gut flora, omega-3 fatty acids and folate-rich vegetables, and you lower the risk of red meat or choline increasing TMAO.

Nerve Health  

New research has found that gut flora plays a role in expressing genes for myelin construction and formation for never fibers. Gut bacteria may have an influence on the body’s use of vitamin B6, which in turn has profound effects on the health of nerve and muscle cells. Microbes may have an influence on autoimmune diseases and therefore play a role in disorders like multiple sclerosis.

I have had a few clients that have had elevated B6 levels on blood tests that couldn’t be explained. Both had very poor gut health and numerous rounds of antibiotics. If gut flora wasn’t there to utilize the B6, then it is conceivable that B6 would elevate. Combine this with low GABA and high glutamate, and it explains neuropathy after rounds of antibiotics.

Type 2 Diabetes

Indolepropionic acid is produced by bacteria in the gut and helps the pancreas produce insulin. People who eat more prebiotic fiber-rich food and less saturated fat encourage the production of indolepropionic acid.

Researchers discovered the important role the acid plays in diabetes when they assessed 200 people who were all overweight and were not processing glucose well. The major difference was that those who remained diabetes-free had high levels of indolepropionic acid in their gut.

Bifidobacterium lactis, and the combination of Lactobacillus curvatus and Lactobacillus plantarum, can improve fasting insulin levels and glucose turnover rates, even in the presence of a high-fat diet.

The researchers go on to explain that “the minimization of the LPS (lipopolysaccharide endotoxin) burden by beneficial microbes appears to be a central mechanism in the promotion of normal glycemic control.”

Mental Health

According to an article in Scientific American, “when Pettersson’s team performed a comprehensive gene expression analysis of five different brain regions, they found nearly 40 genes that were affected by the presence of gut bacteria.

Not only were these primitive microbes able to influence signaling between nerve cells while sequestered far away in the gut, but they also had the astonishing ability to influence whether brain cells turn on or off specific genes.”

Bifidobacterium is capable of secreting large amounts of GABA, an inhibitory neurotransmitter to glutamine and glutamate, controlling an imbalance found in numerous mental health issues. The Stanley Foundation Neuropathology Consortium found that levels of glutamate were elevated in individuals with Bi-Polar and Major Depressive disorder compared to controls.

Studies have found that lactobacillus influences GABA levels in certain brain regions, leading to lowered stress hormones, anxiety and depression. Fermentation of rice bran, mung beans, buckwheat sprouts, and lentils, is known to increase the available GABA content significantly. Lactobacillus hilgardii also produces GABA, as does red yeast rice.

Poor gut bacteria leads to an increase in endotoxins like LPS, which can decrease the availability of tryptophan and zinc, thereby negatively influencing neurotransmission.

Could gut bacteria, endotoxins, and GABA be one of the keys to the underlining cause of numerous mental disorders? Or better labeled, bacterial deficiencies and toxicities?

You can read more about this fascinating topic in the article Mental Health Begins in the Gut, Not the Brain.


Weight Loss

If you have wondered how lean people are able to pack away the calories without gaining weight, here is your clue. Along with genetics, the microbiome is different. Human studies have found that people who are lean and people who are overweight have different microbiomes.

Those who are obese have more firmicutes and fewer bacteroidetes; the two families of good bacteria.  But just like the powerful effect of epigenetics on the genome, you can improve your microbiome.

When you think about the job of gut bacteria and your digestion, it shouldn’t be a surprise that a more diverse microbiome is going to be more efficient at aiding in the digestion of your food and detoxification of excess fat.

Guess what food was the most associated with weight loss in a New England Journal of Medicine study? Yogurt. Evidence suggests that changes in colonic bacteria might influence weight gain.

The strain of bacteria that has been found in studies to be the most effective for weight loss is Lactobacillus gasseri. In a randomized controlled trial, fermented milk containing Lactobacillus gasseri with 210 healthy Japanese adults with large visceral fat areas.

Abdominal fat when down 8.5%, and BMI, waist and hip circumferences, and body fat mass were also significantly decreased from baseline at week 12. After stopping the probiotic, all the weight came back.

Sleep

Researchers also found that weight gain is lowest among people who sleep 6 to 8 hours a night and is higher among those who sleep less than 6 hours or more than 8 hours. This is an interesting point because good bacteria influence the production of GABA, and GABA is produced in higher amounts during deep sleep.

When GABA is too low, glutamate causes your mind to race at night. Bifidobacterium is the most important for sleep is due to its ability to produce large amounts of GABA.

More Strains and their Function

The majority of the research so far has been done on lactobacillus and bifidobacterium. Other strains like Lactococcus, Enterococcus, Saccharomyces, S. Boulardii and Propionibacterium also have unique health-promoting effects.

What about soil-based probiotics like Prescript-Assist?

It is my understanding that many of these strains haven’t been studied yet besides bacillus. I think our understanding of the microbiome is in its infancy, and we have 8 million bacterial genes to work through compared to 22,000 genes in the human genome.

Another thought I’ve had about these types of soil-based organisms, is how do they change in terms of types and ratios from soil to soil, country to country? In other words, how does each unique human microbiome respond to a standard formula?

Which demographics are going to do well and which ones may have a bad reaction? What are the pros and cons to altering the microbiome with these strains and ratios daily? How long should it be used and should it be rotated?

I think we are definitely missing soil exposure by not eating directly from the land and getting our hands and feet in the dirt, but I’d like to see more research looking at environmental diversity, individual strain research and human studies before recommending a standardized soil-based organism formula for a wide population of people.

Lactobacillus

Lactobacilli are the dominant bacteria of the oral cavity, gastrointestinal tract and female reproductive and urinary system. This genus of bacteria has been found to improve the nutritional value of food, control gastrointestinal infections, improving digestion of lactose, control serum cholesterol levels, and control some types of cancer.

Lactobacillus is well known for its role in fermentation. You will find it in yogurt, kefir, pickles, cheese, sourdough bread, sauerkraut, kimchi and sour beers. Lactobacillus produces antioxidants, the cancer-preventive peptide lunasin in sourdough bread, and anti-allergenic substances,

One interesting fact is that lactobacillus as a genus can render iron unavailable for pathogenic microorganisms. Therefore, if you have very low iron levels despite iron-rich food and supplementation, you likely have a poor lactobacilli population and pathogenic bacteria are feeding off of iron.

1. Lactobacillus reuteri: L. reuteri produces reuterin (3-hydroxypropionaldehyde), a broad-spectrum antibiotic, active against bacteria, yeast, fungi, protozoa, and viruses. In infants with functional acid reflux, L. reuteri reduced gastric distension and accelerated gastric emptying.

Research found a significant effect of L. reuteri on bone health via decreasing tumor necrosis factor (TNF) levels and reducing bone resorption.

2. Lactobacillus casei MTCC 1423 strain as well and Enterococcus Faecium SF68: Effective in eliminating Giardia infection from mice.

3. Lactobacillus salivarius LS04: Found to reverse atopic dermatitis symptoms in some children.

4. Lactobacillus sakei: This strain is found in kimchi and the alcoholic drink sake. Researchers have found the sinuses of healthy people have higher levels of lactobacillus sakei that seem to help the body naturally ward off sinusitis. In laboratory experiments, inoculating mice with this one bacterium defended them against the condition.

5. Lactobacillus plantarum: A folate producing strain common in fermented vegetables and saliva. It enhances the expression of genes involved in tight junction signaling to improve intestinal barrier function, lowers high LDL cholesterol, lowers breast cancer risk in rats,  influences GABA and serotonin, lowers fibrinogen, and has been found to be effective in abdominal pain and bloating in IBS patients.

6. Lactobacillus gasseri: Improves glucose tolerance, lowers body weight by increasing the carbohydrate burn rate and shortens the duration of a cold.

7. Lactobacillus delbrueckii: This species has the strongest antioxidant activity. High levels of the endotoxin LPS from poor gut bacteria can elevate inflammation and oxidative stress.

Bifidobacterium

Bifidobacteria are generally considered to synthesize folate (all 44 strains), biotin, thiamine, nicotinic acid, pyridoxine (B6), riboflavin (B2), and B12. It produces the majority of GABA, requires iron and prebiotics, and is highly sensitive to glyphosate (GMO corn and soy). It plays a major role in carbohydrate metabolism in the colon.

1. Bifidobacterium longum: Mice studies have found that bifidobacterium longum normalizes anxiety-like behavior, hippocampal brain-derived neurotrophic factor (BDNF) and activate the vagal nerve in a colitis model. A rat study found that it reduced the inflammation from gliadin, the gluten protein found in wheat.

In children, it improved the symptoms of allergic rhinitis and allergic asthma and prevented constipation. One study found it shortened the duration of a cold along with lactobacillus gassari and bifidum. Another study showed that longum reduced depression in IBS patients by altering brain activity.

Results from one study using B. longum and B. breve in the presence of prebiotics significantly reduced the growth of C. diff.

2. Bifidobacterium bifidum: Bifidobacterium bifidum is a well-known species that has been shown to improve the immune system and IBS symptoms.

3. Bifidobacterium breve: Lactobacillus casei and Bifidobacterium breve have been found to reduce candida in the oral cavity of the elderly. B. breve has been found to increase mineral solubility, producing the phytase enzyme by bacteria to overcome the effect of mineral blocking phytate, reduces intestinal inflammation, and increases bone mass density.

4. Bifidobacterium lactis: A double-blind, randomized, placebo-controlled trial found that a mixture of Bifidobacterium bifidum, Bifidobacterium lactis and Lactobacillus acidophilus given to women starting at 4-8 wks before delivery and continuing until 6 months after delivery reduced the incidence of eczema.

In college students, lactobacillus rhamnosus, Bifidobacterium animalis and B. lactis were found to reduce the severity of upper respiratory infections and missed school days. B. lactis has also been found to be beneficial for constipation in women and children.

How to Choose the Best Probiotic and Prebiotic Supplements

My thoughts on probiotic supplements have evolved. The past approach has been to cram as many strains as possible with billions of bacteria. The more the better, it seemed. Then, strains with numbers behind them became the only strains that should be considered viable due to clinical verification.

Now, I believe the research is going towards understanding individual microbiomes, where strong targeted probiotic supplementation should potentially only be used with clear bacterial deficiencies in certain strains or after antibiotic use. Therefore, I think lower doses that are rotated in use may be the best approach for the general Western population where digestive disorders are prevalent.

One small study even found that probiotic supplements cause confusion, difficulty concentrating and bloating, with the researcher stating another interview “If you are taking gut bacteria that doesn’t jive with your current gut bacteria, then that could definitely cause symptoms.” What this also made me think of is that we all have different requirements and microbiomes, and the future approach needs to take this into account.

Then, we have hunter-gatherer populations like the Hadza who completely lack bifidobacterium, men and women have different microbiomes based on men eating more meat and honey and women more tubers, and a high level of Treponema bacteria, linked systemic lupus and periodontitis, as well as syphilis in Western populations.

Yet, the Hazda do not experience any autoimmune disorders, diabetes or obesity. Their microbiome is more diverse, but different than what we understand to be a “healthy” microbiome. The truth is, we don’t really know what that looks like and it changes person to person, country to country.

A good probiotic supplement should contain studied strains (number after them), be alive, resistant to low pH/acids and thereby persisting in the intestine and able to adhere to the gut epithelium.  How many cheap probiotic products are dead upon delivery due to poor production and storage? 

Probiotic supplements are best rotated as needed based on your digestive health and you should seek out strains based on what you are trying to target based on the research in this article.  It is most likely not necessary if your digestion is healthy and you are eating prebiotic foods, fermented foods and drinking fermented drinks (but careful not to overdo it).

The Best Probiotic Supplements For Adults

1. Jarro-Dophilus + FOS

Jarrow has been around a long time, and I’ve always seen good results from their products. I like the simplicity of it, with strains that have solid research behind them so there are no surprises. It contains a prebiotic – and 3.4 billion viable cells of clinically documented strains that have been scientifically shown to have a positive influence on the composition of intestinal microflora.

2. Floratrex (75 billion, 25 strains)

Floratrex is a unique formula with 23 strains of probiotics (including Lactobacillus gasseri), a prebiotic (inulin) and fulvic acid. Fulvic acid is a component of soil that has a lot of impressive qualities, including improving digestion, increasing nutrient absorption and assisting hydration levels.

However, make sure you are not drinking chlorinated tap water with anything that contains fulvic acid because it reacts with chlorine to create carcinogenic compounds. This would be a choice for those needing a stronger formula.

3. Bio-Kult (Minimum 2 billion live microorganisms per capsule, equivalent to 10 billion live microorganisms per gram, 14 strains)

BioKult became a popular probiotic due to its use by Dr. Campbell-McBride, author of Gut and Psychology Syndrome.

“Each strain is microencapsulated and freeze-dried individually which affords their protection through the low acidity of the stomach and allows storage of the finished product under normal room temperature. All Bio-Kult products are guaranteed at the end of the shelf life and undergo full pharmaceutical stability testing in humidity and temperature-controlled facilities.”

The Best Probiotic Supplements for Pregnancy

The research on probiotics during pregnancy has been notoriously conflicting, and there isn’t a formula that can’t accurately be designed just for pregnancy. It depends on the individual’s needs. After reviewing many studies up to 2019 1,2,3,4,5,6,7,8 here are my conclusions:

If you have a healthy digestive system, I see no reason to supplement with probiotics and you should simply concentrate on fermented foods and prebiotics. Probiotic supplementation may actually disturb an already balanced system.

If you are at risk for gestational diabetes, a formula containing Lactobacillus rhamnosus HN001 may reduce the risk.

Those with an autoimmune disorder may benefit from probiotic supplementation and impact the child’s immune system in a positive way.

Lactobacillus rhamnosus GR-1 may prevent preterm birth (caused by preeclampsia, UTI’s, other infections, intrauterine growth restriction or idiopathic spontaneous preterm labor.  This one is likely the best preventative take since antibiotics do not have a good track record for these issues. This can be found in Fem-dophilus by Jarrow.

If dermatitis runs in the family, probiotic supplementation during pregnancy and infancy helps to prevent atopic dermatitis in children, and a formula with both lactobacillus and bifidobacterium intervention has a better effect. In this case, I would recommend Jarro-Dophilus + FOS.

 The Best Probiotic Supplements for Children

1. Hiya Kids Daily Probiotic

This product contains prebiotic fiber and three studied strains (lactobaccilus rhamnous (GG), lactobacillus paracasei (UALpc-04), and bacillus lactis (BI-04) with a 10 billion CFU count. This formulation is designed to be gentle and for helping correct constipation and diarrhea, as well as other benefits like reducing allergies and improving immunity.

The Hiya Kid’s Daily Mulitivitamin also took the top spot for the Best Children’s Multivitamin.

2.  Bio-Kult Infantis (Babies, toddlers and children)

This product uses a combination of 7 strains of probiotics, prebiotics, vitamin D and omega-3.

Lactobacillus casei PXN®  37™
Lactobacillus rhamnosus PXN® 54™
Streptococcus thermophilus PXN® 66™
Lactobacillus acidophilus PXN®  35™
Bifidobacterium breve PXN®  25™
Lactobacillus delbrueckii ssp. bulgaricus PXN®  39™
Bifidobacterium infantis PXN® 27™

3. Visbiome Infant Drops

This product is a stronger formulation and contains 1 billion CFU’s of Lactobacillus acidophilus DSM24735, Lactobacillus plantarum DSM24730, Lactobacillus paracasei DSM24733, Lactobacillus, delbrueckii subspecies. bulgaricus DSM24734, Streptococcus thermophilus DSM24731, Bifidobacterium longum DSM24736, Bifidobacterium breve DSM24732, and Bifidobacterium infantis DSM24737.

This probiotic is designed for mood and digestive health, with a double-blinded study showing a reduction in crying time, as well as a second study showing a reduction in Autism Spectrum Disorder symptoms.

The Best Prebiotic Supplements

1. Paleovalley Supergreens Powder

The best way to increase the health of your microbiome and the diversity of you gut flora is through diversified plant intake. This product has become a daily staple of mine due to the use of twenty three superfoods, the addition of prebiotics, and the omission of cereal grasses in the blend. Definitely one of my favorite products.

 

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121 Comments

  1. FIONA KNOBEL

    Thank you for your very generous and informative article – indeed unravelling the mystery of being healthy. Thank you. Fiona

    Reply
    • Alex Swanson M.S.

      Hi Fiona,

      Thanks for the feedback and glad you found it informative. This article was a few months in the making, so I’m happy to finally share the research.

      Reply
    • Rahul

      Hello Alex,

      What do you think about Hiya probiotics ? My 18 month old has terrible constipation and I have tried everything except the medicines. Juices, oats, bananas, prunes, millets. Someday its good and somedays its so hard for her, she actually sweats with the effort.

      Thanks,
      Rahul

      Reply
      • Alex Swanson

        Hi Rahul,

        I’m sorry to hear that. Sometimes the peristalsis struggles and needs stimulation. I’ve actually been meaning to add the Hiya probiotic to this list because I do think it is a good product. However, this is a gentle formulation and may not be strong enough. It is worth trying, but you may need the Visbiome Infant Drops to see results.

        Reply
        • Rahul

          Thanks for the reply Alex. She was an iugr baby, not sure if that matters. Never had this trouble with my oldest.

          Hiya probiotic is for ages 2 and up, can I still give these ? I will definitely try your recommended drops.

          What do you think about Rosita fish oil and the gut health oil from Earthley?

          https://earthley.com/product/gut-health-oil/

          Thanks !

          Reply
          • Alex Swanson

            Hi Rahul,

            I don’t see why not, but I would double check with the company first.

            Rosita fish oil is one I recommend on this site. I also like this Nutrapro International Virgin Cod Liver oil if the Rosita taste is too strong.

            I’ve never heard of the Gut Health Oil from Earthley, so I’m not sure about the efficacy of that one.

  2. Felipe

    Hi Alex, what a coincidence, I was just breaking my head looking for a good probiotic formulation and received your newsletter with this great article. Thank you so much.

    Felipe

    Reply
    • Alex Swanson M.S.

      Hi Felipe,

      Glad I could help!

      Reply
  3. Jeff

    Hey Alex,
    I love the article amazing as always I have a question what do you think of the Garden of Life Dr. Formulated probiotics? I’m also wondering if the VSL#3 is ok to take for daily use or is it best to use if you have a condition where you need a very strong probiotic?

    Reply
    • Alex Swanson M.S.

      Hi Jeff,

      Thanks for the feedback. Many of Garden of Life’s formulations look well formulated, but I haven’t been that impressed in terms of results from clients using it compared to VSL#3. That said, perhaps Garden of Life’s line is okay for those in generally good health. Yes, VSL#3 can be used for daily use and the dosage ranges based on your needs. I have kept it on hand when a stomach flu is going around or in case of food poisoning. I did just add the Garden of Life Fitbiotic to the list because it contains lactobaccilus gasseri for weight loss, and I was having trouble finding a good product that contains it.

      Reply
  4. Jeff

    Ok thanks sounds good I was using the Garden of Life probiotics I’m going to try the VSL#3 thanks for all the information.

    Reply
  5. John

    What about soil-based organisms, like prescript-assist?

    Reply
    • Alex Swanson M.S.

      Hi John,

      See the article under “More Strains and Their Function.”

      Reply
  6. Jen

    Wonderful article! Thank you!

    Reply
    • Alex Swanson M.S.

      Thanks Jen!

      Reply
    • Janell

      Hi there thank you for your unbiased opinion! Have you heard of nucific as a provider…I was looking for a probiotic to use for both my husband and myself. He’s newly diabetic and could lose a few pounds. I just want better health and energy but don’t need to lose weight. This is purchased online and had enzymes and green tea added which I have heard good things about. But are there benefits of taking them together like this?
      https://nucific.com/3harmfulfoods/m-order180820A.php

      Reply
      • Alex Swanson M.S.

        Hi Janell,

        Of course! This actually doesn’t look very high quality. It is missing any clinically designated strains, and their weight management blend is questionable for achieving results.

        If you two wanted to share a probiotic, the Jarrow product that is listed on this article would be a great choice due to the strains found to improve fasting insulin levels, and the prebiotic fiber feeds bacteria to produce indolepropionic acid, which helps the pancreas produce insulin. I would encourage your husband to eat more prebiotic foods in general.

        Reply
  7. Marty

    Hello Alex – GutPro looks like a great probiotic. Please check it out and see if it is worthy on the list. They have a few different products (Primal, Infant, Yeastbiotic etc.). I found it on Corganics webpage. Also, what is your view on supplementing with digestive enzymes. There seems to be less discussion about enzymes, relative to pre and probotics. Thx.

    Reply
    • Alex Swanson M.S.

      Hi Marty,

      Yes, their products look well thought out and formulated. Good find on another probiotic that contains L. gasseri. I also noticed they share my opinion on soil-based strains that haven’t been studied and how long to use them. They only include two strains that have research in the Primal Soil product and recommend to only use it for less than 3 months.

      Reply
      • Alex Swanson M.S.

        Regarding enzymes, they are helpful for those with digestive issues and low stomach acid (along with betaine/HCL). Digestive enzymes become more necessary as you get older, especially after 70. If you have a good percentage of raw food and fermented food in your diet, you are sparing your own digestive enzymes. Fermented foods and drinks provide both probiotics and live enzymes, making them ideal. There is a book called Enzyme Nutrition by Dr. Howell, and his theory was that aging was strongly related to your enzyme bank and how much you draw from it. So he was a major proponent of taking digestive enzymes with meals to spare your own.

        Reply
    • Alex Swanson M.S.

      Hi John,

      I think Friendly Force looks like a solid formula. I haven’t seen the research behind marshmallow root protecting probiotics but would be interested in reading it.

      Reply
  8. Nina

    is VSL#3 suitable for seniors? what is your opinion on Dr. Axe probiotics?

    Reply
    • Alex Swanson M.S.

      Hi Nina,

      Yes, VSL#3 is suitable for seniors.

      I think his probiotic products look well-formulated. I know he focuses a lot on gut health, so I’m sure he put a lot of research into it.

      Reply
  9. Larry McSpadden

    HI Allex, I understand some probiotic bugs can actually cause inflamation, and some don’

    Hi Allex, I understand that some probiotic bugs can cause inflammation, and some don’t. Please tell us the ones that don’t. I’m fighting hives, candia Thanks !!!

    Reply
    • Alex Swanson M.S.

      Hi Larry,

      Great question and one that is a little complicated to answer. I don’t think the research has really been able to pinpoint a full understanding of this yet. Right now we have theories and one of the theories is that certain strains increase histamines (Lactobacillus casei, Lactobacillus delbrueckii, Lactobacillus bulgaricus, bacilli bacteria, acetic bacteria and yeast in fruit wines) while others reduce histamines (B. infantis, L. plantarum, B. longum, staphylococcus carnosus FS19, Bacillus amyloliquefaciens FS05, Lactobacillus sakei, and Vergibacillus sp.SK33). L. reuteri is an unusual one because it is able to convert L-histidine into histamine but this actually suppresses pro-inflammatory TNF-alpha production.

      Interesting enough, fermented foods rich in diversified probiotics are higher in histamines. Ultimately, I think that it is the underlying alteration of the digestive system like leaky gut or SIBO and the immune system along with genetic differences in histamine genes like DAO and HMNT (and receptors) that determine histamine overload because the diversity of the strains should produce a neutral response. I think there may also be a dysregulated hormone connection because DHEA plays a role in improving the resistance to viral, bacterial and parasitic infections. It appears some people with very sensitive guts respond better to using only specific histamine reducing strains on their own in the beginning to help balance the population.

      Reply
  10. Marius

    Hi, what do you think about Renew Health, probiotics? Targeted for specific condition and regular ones?

    Reply
    • Alex Swanson M.S.

      Hi Marius,

      I have used these with clients and they appear to work well.

      Reply
    • Alex Swanson M.S.

      Hi Dylan,

      I haven’t tried this one myself or with clients, but I’ve heard positive things. I like that they use clinically documented strains. Five billion is the minimum needed that research has been shown to be effective. As soon as I get more feedback, I will consider adding it to the best list.

      Reply
  11. Ash

    When should one take their probiotics? I heard two sides to this question, one being you take it before food since there isn’t that much stomach acid to kill the bacteria in the probiotc; and the other being you take it after eating food because the food that was eaten takes most of the stomach acid produced when eating food and leaves none to little to destroy the bacteria in probiotics. What has been your experience with your patients,yourself, and clients on which is a better time to take probiotics, after or before food? I think this is very important and should have been addressed in the article.

    Reply
    • Alex Swanson M.S.

      Hi Ash,

      Great question. My opinion is that they are best taken with food, with a focus on prebiotics in the meal. The survival rate has been pinned at 20-40% based on the strains, gastric acidity, and bile salts. The challenge is adherence to the mucosal cells – which certain strains appear to be better than others – therefore blocking harmful bacteria from attaching. The small intestine is more easily influenced, but prebiotics increases the ability of probiotics to colonize in the colon and not just pass through. Since you would consume probiotics with food – as found in fermented foods and drinks – it makes sense to me that supplemental probiotics should be taken with a meal for both colonization and protection against bad bacteria. It has been my experience with clients that taking probiotics during a meal or after yields the best response in terms of noticeable results in digestion.

      Reply
  12. Carrie

    Your articles are incredibly informative. I recently came across the Elemental Wizdom probiotics, which claim to be “human specific strains”… any thoughts on this?

    Reply
    • Carrie

      Also, is there a reason why we need to continually replenish the bacteria and take a probiotic daily? If they make our insides “home” and we supply plenty of prebiotics for them to eat, why the need to add more? Are they different from other bacteria which multiply rapidly in the right environment?

      Reply
      • Alex Swanson M.S.

        Hi Carrie,

        Good question. It really depends on your digestive health, medications, use of antibiotics and other health issues. Some people require a constant supply due to poor colonization while other people may only need some fermented foods and drinks here and there, along with prebiotic foods and a diversified diet. I’ve seen clients that have had daily probiotic supplements change their life, while other people may only notice the benefits when their stomach is off and take them.

        Reply
    • Alex Swanson M.S.

      Hi Carrie,

      The types of the same bacterial strains are where things get a little more complicated. You may have also seen strains that have a designated number next to them or others that do not use dairy for culturing. So there are numerous sources of a specific strain of lactobacillus acidophilus for example. Companies will claim one is better than another, but to be honest, I don’t know the truth yet. People appear to be getting results with each form. It would be nice for a microbiologist to weigh in and explain that there is indeed an advantage of one version over another.

      Reply
      • Carrie

        Thank you for all your answers!

        Reply
  13. Steve

    Great post, very informative.

    Reply
    • Alex Swanson M.S.

      Hi Dylan,

      The probiotic quality is extremely challenging to assess sometimes. You have to know their manufacturer and companies don’t often give that information. Based on the pricing for 16 strains, I can’t imagine the quality is very high.

      Reply
  14. Anne

    My husband and I are both taking probiotics: I am taking Garden of Life’s Raw Probiotics for women (refrigerated), and he is taking Garden of Life’s Raw Probiotics for men (refrigerated). How do you feel about the quality of these? I am considering switching us to VSL#3. However, that could be quite pricey in the long run. I have also considered, using VSL#3 for a month or two and then switching to Bio-Kult’s probiotic and/or Garden of Life’s Dr. Formulated Fitbiotic (as we are trying to lose some unhealthy weight too). My husband has a high stress job, frequent headaches, fatigue, low T, has put on weight, discouraged, and has other mental stressors. He believes sugar to be headache trigger, but still eats it from time to time. I think to start with, we have some repair work to do. What is your recommendation? Is there a benefit to switching probiotics in this manner?

    Reply
    • Alex Swanson M.S.

      Hi Anne,

      Yes, I think that for most people, they can use VSL#3 in the beginning for the first month or two and then switch to a less potent probiotic for maintenance depending on their health issues. For Garden of Life’s Raw Probiotics, I would prefer that they just make it a probiotic and enzyme blend. I’m not sure where the vitamins and minerals are coming from, but if it is like their other product, it is from yeast fed USP-vitamins in a broth.

      Repair starts with the basics of good foundational diet and throwing anything away that makes you deviate, healthy sleep, exercise and completely turning off of work for some enjoyment. If your husband has reached that point with his health, it is not worth the consequences if he continues down that road.

      Reply
      • Anne

        Thank you!

        Reply
  15. Jennifer

    Hi Alex,
    My dad recently finished chemo, and has had Whipple surgery which removes large parts of your digestive system and part of your pancreas. This obviously causes many digestive issues as well as pancreatic insufficiency and malabsorption, for which he’ll have to be on prescription digestive enzymes for life.

    Given these challenges, I was thinking VSL#3 would be the obvious choice, but in asking around about probiotics, I’ve been told by several folks in natural health communities that with how damaged his digestive system would be from chemo, he will really need to “start slow,” with very low doses and potentially only single strains. I’m not entirely sure what the consequences of not starting slow would be, but I have also read in a couple places that probiotics can initially cause diarrhea due to a “detox” effect. Whipple survivors already struggle with gas and diarrhea and weight maintenance so that would not be good. A couple people also mentioned SIBO as a possible concern that probiotics could worsen. (He has not been diagnosed with that or investigated for it.)

    Do you agree with the “start slow” approach when the digestive system is badly damaged, or could he jump right into something like VSL#3 without it causing additional digestive problems?

    Thank you for all of your help! 🙂

    Reply
    • Alex Swanson M.S.

      Hi Jennifer,

      Excellent question. He will definitely need to start slow. We have had clients start with literally a tiny pinch of an opened capsule and slowly work up each week. You could start with a pinch of a single strain and see how he does before moving to VSL#3.

      Reply
  16. Stephen Thomson

    I get bombarded by offers from these people, is this a scam or a legitimate decent product.

    https://www.p3om.com/

    Thanks for all the articles by the way, its real easy to follow even if the products are not that easy to get in UK.

    Reply
    • Alex Swanson M.S.

      Hi Stephen,

      They have a pretty aggressive marketing campaign. I guess that’s what happens when a bodybuilder sells a probiotic. There are some questionable claims here regarding yogurt and refrigerated probiotics. I can’t find an actual label, but from what I can tell, it is only L.plantarum in a very potent dose. I wouldn’t recommend supplementing an isolated strain in a high dose for an extended period of time. The key to healthy gut flora is diversity.

      Glad you are finding the articles useful and easy to follow.

      Reply
      • Stephen Thomson

        Thanks, took your advice from the article, bio kult is available from a local pharmacy here so I purchased that. Keep up the good work.

        Reply
        • Alex Swanson M.S.

          Hi Stephen,

          Great!

          Reply
  17. Katrina

    Do you have a specific recommendation for a safe probiotic to take during pregnancy?

    Reply
  18. Lindsey

    I am also interested in whether your recommendations for probiotics vary for pregnant women or if this list is still applicable? I’ve heard anecdotal evidence from moms that taking probiotics during pregnancy and breastfeeding helped their babies avoid colic or common digestive issues found in infants due to their immature systems. Do you know if there have been any studies around this topic?

    Reply
    • Alex Swanson M.S.

      Hi Lindsey,

      I’m not aware of any studies that have been done on probiotics during pregnancy. Since the strains are all pretty similar in all the formulations, I wouldn’t say the recommendations would change during pregnancy and that this list could still serve as a guideline. My opinion is that there would be many benefits to using probiotics supplements or probiotic-rich food/prebiotics during pregnancy.

      Reply
      • Cassidy

        Hi Alex,

        Can I get clarification about a safe probiotic to take during pregnancy? Do you recommend any of your top adult picks for a pregnant woman? Thank you! I really appreciate your research and you efforts to answer questions!

        Reply
        • Alex Swanson M.S.

          Hi Cassidy,

          As far as I know, the guidelines don’t change in regards to one probiotic being safer than another. There can be a wide range in quality and potency though. I think the strength, strains, and necessity for a probiotic supplement will depend on your digestive health and sensitivities. Probiotics in general have a good safety profile during pregnancy. VSL#3 is the one you will see being used in studies the most often. Here is one study. You are very welcome!

          Reply
          • Cassidy

            Awesome study. Thanks.

    • Alex Swanson M.S.

      Hi Dylan,

      It is getting harder to distinguish between different probiotic products. From an outside perspective, it seems fine. Without direct experience in practice, I can’t verify its efficacy.

      Reply
      • Dylan

        Thank you so much Alex for all of your work!!

        Reply
        • Alex Swanson M.S.

          You bet!

          Reply
  19. Kalua Rhody

    Thanks for another informative article!
    Based on your recommendations, I will be purchasing the Hyperbiotics Pro-kids product for my two boys, ages 3 and 5.
    Based on your recommendation, I also have the bio kult in my shopping cart, however i wonder if you could weigh in on the Hyperbiotics Pro15. When looking into your recommendation for the Pro-kids I found their adult probiotic and it seems great from what I can tell, plus it is less expensive than the Bio-kult.
    Thank you in advance!

    Reply
    • Alex Swanson M.S.

      Hi Kalua,

      Yes, I think the Hyperbiotics Pro15 also seems like a fine choice. I didn’t realize this one had L. Gasseri in it.

      Reply
      • Kalua Rhody

        Wonderful thank you!

        Reply
    • Alex Swanson M.S.

      Hi Jeff,

      I think this is a good product.

      Reply
      • Jeff M

        Ok thanks

        Reply
    • Alex Swanson M.S.

      Hi Anselmo,

      I think this is a very interesting formula, especially with the inclusion of fulvic acid, a prebiotic and a few unique bacillus strains. I had added it to the article. Thank you for bringing it to my attention!

      Reply
  20. Fred

    Hi, I have a question on FITBIOTIC: can I drink just right the packet only ? Or it needs to shake/mix with beverage? It’s ok to mix it only in the water ? With meals or between meals ?

    Reply
    • Alex Swanson M.S.

      Hi Fred,

      It is a powder, so you would want to add it to liquid (can be any liquid) or you could add it to your meal.

      Reply
      • Fred

        It’s better to take in the morning, afternoon or at bed-time ?

        Reply
        • Alex Swanson M.S.

          Hi Fred,

          It is beneficial anytime, but I like to say with dinner because it assists digestion for the evening and helps give a GABA boost before bed.

          Reply
  21. Ethan

    Hi Alex,
    I don’t have any health conditions and a relatively good digestive system. I’m wanting to take probiotics just for the maintenance of good health. Is it best and okay to be on probiotics indefinitely? Or just for a period of time?

    Reply
    • Alex Swanson M.S.

      Hi Ethan,

      You can get diversified gut flora with prebiotic foods, diverse plant intake, and fermented foods and drinks. Whether you require probiotic supplements daily or for brief periods of time really depends on the individual.

      Reply
  22. Jessica

    What do you think of the Plexus products said to promote gut health- Slim, ProBio5, and VitalBiome?

    Reply
    • Alex Swanson M.S.

      Hi Jessica,

      The VitalBiome looks like a good product, and better than the ProBio5. The Slim product isn’t impressive. Formulations like these rely on hype ingredients that really haven’t panned out in research (green coffee bean extract, garcinia cambogia) and isolated prebiotic fiber, and then charge you $87.95. I think you could get better results drinking green tea and eating foods rich in prebiotics daily for a fraction of the price.

      Reply
  23. Susana

    Hi, this is great! I was using Gundry’s Prebiothrive and ran out. I recently saw that VSL#3 is great and would like to try it. However, I thought Gundry’s was good because it is both Pre and Probiotic in one? If I take VSL#3, should I take a Prebiotic as well? If so, which one is good to take in tandem?

    This is Gundry’s, I also don’t know if this one has some weight loss: (https://gundrymd.com/supplements/prebiothrive/?source=shopping&gclid=CjwKCAjwk9HWBRApEiwA6mKWaRIddMeRNfsu9fOA2ro_RAMXZ89X6PUMImAbrSpdmKgsQXsJsaetzBoCjBoQAvD_BwE)

    Reply
    • Alex Swanson M.S.

      Hi Susana,

      Correct me if I’m wrong, but isn’t Prebiothrive only prebiotics? Prebiotics on their own are excellent for building a healthy microbiome. If you are having any digestive issues, taking (or eating) prebiotics along with probiotics is the best combination. If your digestion is healthy, you may be able to maintain it just with prebiotics and probiotic-rich foods/drinks and not require supplementation. I think VSL#3 is great for brief periods of time to help correct an imbalance, then maintained with a diversified diet.

      Reply
  24. Barbara Perry

    Since Prevotella Histocola has helped Inflammatory Arthritis in Humanized Mice and recent studies indicate it is helpful, What Garden of Life Product has the most strains of Prevotella Histocola? Or is another article more relevant for Inflammatory Arthritis?

    Reply
    • Alex Swanson M.S.

      Hi Barbara,

      I’m not familiar with a product that has the Provetella Histicola strain in it. My understanding is that a diet high in diversified fiber is what increases its prevalence in the body. Research has found that Prevotella is higher in non-industrialized populations whose diets contain more dietary fiber, such as African children, Hadza hunter-gatherers, and the people of the Amazonas of Venezuela and rural Malawi.

      Reply
  25. Anna

    Would VSL3 be a good choice for Leaky Gut Syndrome?

    Reply
    • Alex Swanson M.S.

      Hi Anna,

      Yes, I think VSL#3 is a good choice as part of your whole protocol for leaky gut syndrome. You may need to start with very small amounts.

      Reply
  26. Thomas

    What do you think about these : InnovixLabs Multi-Strain Probiotic. Broad Spectrum – 31 Diverse Probiotic Strains. 50 Billion live cultures. Gluten-free. 60 Delayed-Release Capsules

    https://www.amazon.com/gp/product/B00X4U2NDK

    Reply
    • Alex Swanson M.S.

      Hi Thomas,

      This formulation seems like overkill to me and a potential gut bomb. The research is moving towards understanding how all of these strains interact with each other because it still is an unknown.

      Reply
  27. Kathy

    Incredibly interesting (and thorough!) article and comments. Having being dealing with chronic idiopathic constipation for over 40 years, is there any specific strain you can recommend that would help? Handling it now with OxyPowder, a magnesium oxides product that definitely helps, but I have to believe some type of probiotic combination might help. So glad I found your site!

    Reply
    • Alex Swanson M.S.

      Hi Kathy,

      I don’t believe there is a specific strain more responsible than another. It appears to be more of a group effort with an emphasis on the diversity of prebiotic fibers in the diet. Magnesium citrate is another one you may want to consider because it is effective for constipation, while also having a higher percentage of absorbed magnesium than oxide. It also helps detoxify aluminum. Another product you may want to explore is called Movement by Chakra Foods, which contains fermented enzymes.

      Reply
  28. Marty

    Hey Alex;
    What do you think of the Seed 2-in-1 capsule prebiotic/probiotic? It definitely has some fancy marketing and high-profile endorsers.

    It has an impressive list of bacteria strains, notable AFU and claims to be shelf stable.

    I am a bit leery due to the heavy endorsement pushes I have seen, as it might be a great product albeit over priced.

    -Marty

    Reply
    • Alex Swanson M.S.

      Hey Marty,

      This is a pretty impressive formula. They have obviously done their homework and are using all studied strains. I think the high-profile endorsements may actually be warranted in this case. If someone is trying to correct a related issue, this could be a great choice.

      Reply
  29. Jon C.

    Hey Alex,

    Thank you for all that you do! What are your thoughts on Thorne Researches following Probiotics – FloraMend Prime Probiotic, Flora Sport 20B, and Bacillus Coagulans? I currently alternate (not 100% sure that is the best approach) and am curious if I should look to your suggestions above…Any thoughts?

    Thank you

    Reply
    • Alex Swanson M.S.

      Hi Jon,

      I appreciate that!

      FloraMend Prime Probiotic: On Thorne’s website, they claim this formulating is being discontinued. This product uses well-studied strains, and I think is best for those with anxiety, IBS and wanting to lose weight.

      Flora Sport 20B: The two strains of lactis are helpful with respiratory immunity, constipation, and diarrhea. This is aimed at athletes with the idea that they are more prone to respiratory issues and traveling GI upset.

      Bacillus Coagulans: This is a spore-producing strain found in Kombucha and other fermented foods and drinks. Thorne does not signify which studied strain of Bacillus Coagulans is used. I know that Bacillus Coagulans MTCC 5856 was recently studied to improve IBS and major depressive disorder. It also appears helpful for antibiotic-related diarrhea, constipation, and colitis.

      I think it is best to target the issues you are experiencing with the correct strains, then rotate based on your digestive system. If everything is working great, no need to supplement. However, some people notice that they need to be consistent with probiotic supplementation to continue to get the benefits. It really depends on how your microbiome and how well everything colonizes (or doesn’t).

      Reply
      • Jon

        Great! Thank you for your response! Do you know some probiotics that contain Bacillus coagulans MTCC 5856? I am ultimately looking for a probiotic that supports ulcerative Colitis.

        Reply
          • Jon

            Do you feel by just taking that one strain provides the benefit of a probiotic? Or should you take multiple strains include that one?

          • Alex Swanson M.S.

            Hi Jon,

            Yes, in certain cases like ulcerative colitis, it can actually be more beneficial to use fewer strains and small doses while working up so that you understand the results better. Bacillus coagulans may be a good one to experiment with, and then you can add other strains in like Bifidobacterium longum that have research connected to colitis.

        • Jon

          In addition to the above question what are your thoughts on the following green powder? I am not huge into green powders but wanted to get your opinion on it.

          https://supergreentonik.com/

          Reply
          • Alex Swanson M.S.

            Hey Jon,

            I’m not that impressed by green powders either due to the vitamin depletion that occurs. I think making a green juice is much more effective, especially for those with absorption issues. In terms of this product, spirulina and chlorella can be too strong for certain people and make them feel sick, so you need to start with a low dose. Morgina can be helpful for blood sugar, and ashwagandha is fantastic but likely better in higher dosages in a capsule or tincture. Rhodioloa can be hit or miss depending on the person.

          • Alex Swanson

            Hi Joyce,

            I haven’t been a fan of greens powders due to the majority of them using cereal grasses as the bulk of the greens. That has never made sense to me because we don’t eat cereal grasses. However, your comment is very timely because I recently found one that doesn’t use cereal grasses and I really like it. I’m planning on writing a best and worst greens powder article soon. The product I use is called Paleovalley Supergreens. It is very diversified for healthy gut flora, is vitamin and mineral dense, includes prebiotic fiber, and tastes surprisingly good with just water. My opinion is that the wheat grass powder isn’t a good use of money. If you are able to spend a little more and you want to get more greens in your diet, the Supergreens powder provides a lot of value.

          • Alex Swanson

            Hi Joyce,

            I just published the article for the Best Greens Powders here if you want to read more and see some other options.

    • Jon

      Thank you for the info! Do you by chance know a good bifidobacterium longum product? I really appreciate your time.

      Reply
      • Alex Swanson M.S.

        Hi Jon,

        To clarify, I meant a smaller formulation that contains bacteria like Bifidobacterium longum. I don’t think this one comes in an isolated form. One example would be Jarrow Bifidus Balance. This one contains longum, lactis, breve and bifidum.

        Reply
      • Alex Swanson M.S.

        Hi Jon,

        I also wanted to add that with my past clinical experience with ulcerative colitis, a product called VSL#3 worked very well. People would start with a very small dose – sometimes even just a pinch – and work their way up. The formulation changed, and Visbiome is now what VSL#3 used to be. While some of the reviews are fairly harsh on Amazon, I have witnessed the opposite in the last 6 months and I’m not considering adding it to this article for those who need a stronger formulation.

        My rationale for starting with lower doses while working up to more strains and diversity is that instead of throwing a bacteria bomb in your gut, it makes more sense to slowly build diverse colonies to prevent potential flares.

        Reply
  30. Jon

    Any thoughts on a good product?

    Reply
  31. Morgan

    Thank you for this fantastic article! I was wondering if you had any suggestions for the best probiotic to support weight loss? Thank you so much!

    Reply
  32. Kimberly Yetka Rosario

    Hi Dr. Swanson,
    I am interested in the floraltrex for my children. They already take Nordic naturals fish oils. My older son 6.5 takes the higher dose formula for concentrate. My question is , will this probiotic include too much omega?

    Reply
    • Alex Swanson M.S.

      Hi Kimberly,

      Let me know if I am misunderstanding your question, but Floraltrex does not contain any omega-3’s. Are we looking at the same product?

      Reply
  33. Jenny Neumeyer

    Hi! Thanks for the GREAT information. I exercise and eat pretty healthy but still have digestive issues. I think I need to find a good pre/probiotic. What do you think of Physicians Choice Women’s? It seems to check your boxes with numbered strains and l.gasseri. I like that it has the added cranberry…. Thanks!!

    Reply
    • Alex Swanson M.S.

      Hi Jenny,

      You are welcome! Thanks for mentioning it. Physician’s Choice Women’s Probiotic looks pretty good! I like the D-mannose / cranberry addition to prevent UTI’s as well. Good find. I may need to add this one to the article.

      Reply
  34. Tonya

    I am 46, looking to improve my health and loose weight. I have read several of your articles along with other studies. My issues are weight gain started around age 44, bloating that comes out of no where, and irregular bowel movements(I go from one extreme to the other). Like fine one minute then look like I could give birth. My kids are 21 & 20. I cut out dairy per Dr. to see if that helped. Does trigger the bloating, as from WI love and miss milk, cheese and all dairy. I do sneak some once in awhile. I can go days with no bowl movement to an extremely loose for a few days or cramps as it is so hard. I have tried different probiotics, vitmans brands (which I have taken all my life). My parents are encouraging me to try collagen protein to see if that helps. I have always been in goid shape in till my mid 40’s. I just want to get healthy and under control before I become extremely over weight. I do move around moderately at work and I would say moderate exercise at home.

    Reply
    • Tonya

      Sorry about the bad grammar, typing on my cellphone. Did not go back and read before I submitted the question.
      Looking for a good suggestion overall and be a combination of vitamins, perbiotics and probiotics, collagen protein.

      Thank you,

      Reply
      • Alex Swanson M.S.

        Hi Tonya,

        I can definitely help point you in the right direction. I would take a look at the multivitamin article and collagen protein article we have available.

        In regards to your digestion, can you think of anything that happened at age 44? Have you had your thyroid checked (TSH, T3, T4, reverse T3)?

        Reply
    • Alex Swanson M.S.

      Hi Jon,

      I think the Gut Instinct product looks superior to the Vegan probiotic due to more studied strains.

      Reply
  35. Tanya Leyva

    Hi Alex,

    What a wonderful and insightful read. I am just now (long overdo indeed) investing time and research into my gut problems. I suffer from constipation— normally go 3-5 times a week, every day bloating, uneasy stomach from time to time, I am lactose intolerant, have anxiety and stress and want to better my overall gut health knowing it contributes to many of my day to day uneasiness.

    What prebiotic and probiotic individual or combined would you recommend from what I listed above?

    I subscribed to your email, can’t wait to read what’s new!

    Reply
    • Alex Swanson

      Hi Tanya,

      Thank you for the kind comments! I’m sorry to hear about your digestive issues. Typically, it is better to start small and work your way up to stronger probiotic formulas. If you start too strong too early, it can feel like you set up a bomb in your stomach. Jarrow is a good one to start with, then ease into using Floratrex until you are regular. Keep a diary of the foods and drinks that you notice the most issues with so that you can start customizing your diet to eliminate trigger foods. Over time, your digestion will get better and better as it is given a chance to heal.

      Reply
      • Sushma

        Hello Alex,

        Thanks for such a great article and for maintaining such a wonderful blog ! The information you share is so helpful and am so grateful to have found this website !

        I do have a question about my 18 month old. Her poop smells
        so so awful. She also has issues with constipation. I try giving her different prebiotic foods like oats, bananas, juices to help with constipation. She has some yogurt if she isn’t have cold. She eats some crackers or rice cakes at her daycare. I cut all the cookies out of her diet thinking the sugar might be causing the smell.

        Somedays she won’t eat dinner and only has milk, I am trying to reduce the milk intake but not sure why she has gut issues in the first place 🙁

        Can you please provide your insight?

        Thanks a ton !

        Reply
        • Alex Swanson

          Hi Sushma,

          I appreciate it!

          If you are familiar with a compost pile, it is a good illustration for understanding the balance needed for a healthy digestive system and what goes wrong when the balance is off. What happens with constipation is that there is an imbalance with good bacteria, fiber, and minerals that causes everything to ferment. The longer it ferments, the worse it smells. What slows down digestion the most includes flour-based foods like crackers, rice cakes, cookies and dairy. Then, what causes higher fermentation rates includes sugars, like juice, milk sugars, and high-sugar fruits combined with meals. With fruit, stick with apples, pears, prunes and berries and have them as snacks vs. combining with other foods for now.

          So the first step is to adjust the diet to center around protein, fiber-rich vegetables, and healthy fats, lots of water, while eliminating the flour-based foods. I would recommend the Visbiome Infant Drops to help shift the good bacteria (if your Pediatrician approves).

          Reply
          • Sushma

            Hi Alex,

            Thanks for the wonderful explanation especially in layman terms. Its so hard to understand what’s going on even though I try to read so many articles about it.

            I live in Canada and unfortunately cannot get visbiome infant drops here. They don’t ship to Canada 🙁

            What do you think about the ones mentioned below ?

            BIOAMICUS COMPLETE PROBIOTIC DROPS – 10 STRAINS https://a.co/d/5AIPOZE

            Organika Baby Probiotic Drops with Vitamin D- Soothe Colic, Reduce Fussing, Aid in Growth and Development- 7.5 ml https://a.co/d/29iKlBg

            BioGaia Probiotic Drops with Vit.D – 10mL – NEW DROPPER https://a.co/d/9QkVaKK

            Can you suggest some diet tips for my 20 month old baby girl to balance her gut bacteria ? Currently she doesn’t eat much, I try to balance by giving her smoothies with banana, almond or chia seeds, oat powder and I add either spinach or berries.

            But I am afraid I am not giving her a variety. I am at a loss because she goes hungry but won’t eat.

            Thanks for the wonderful work and suggestions you always give !

          • Alex Swanson

            Hi Sushma,

            When comparing those three products, I would choose the BioGaia Probiotic Drops with Vitamin D.

            For diet tips, it sounds like a texture issue. That means it’s important to move away from smoothies, not only to start developing texture diversity and flavors beyond sweet, but also the importance of jaw and teeth development from chewing food. Remember, it takes about 10-17 times for a child to adapt to a new food and texture. Gut diversity comes from food diversity. The more foods you can get her accustomed to chewing, the better the gut diversity, and the better diet habits she will carry with her for life. It’s not easy, but stay consistent and you will see the benefits over time.

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