Can Probiotics Cause Diarrhea? What’s Normal & When to Stop
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Nicholas Wunder
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Can Probiotics Cause Diarrhea? Why It Happens, How Long It Lasts, and When to Stop
Motility strains, the week-two adjustment window, and how to tell whether you need a lower dose, a pause, or a doctor
You started a probiotic to settle your stomach, and now you're running to the bathroom more than before. It's one of the most common reasons people quit a probiotic in the first two weeks, and one of the least explained.
The short answer is yes, probiotics can cause loose stools or mild diarrhea in some people, usually early on. In most cases the change is temporary and reflects the same thing probiotics are meant to do: shift fermentation and speed up a sluggish gut. In controlled trials, people taking probiotics don't report more side effects overall than people taking a placebo.[1] But "usually temporary" isn't a plan. You also need to know how long it should last, whether taking too much is the problem, and when to cut back versus stop.
This guide is about the diarrhea side of that question. It covers which probiotic strains affect gut motility, what's normal in week one compared with week three and month three, whether you can take too many probiotics, and a simple framework for deciding what to do next. For the full range of adjustment symptoms, including gas and bloating, see our guide to probiotic side effects. If your concern is going less rather than more, see our companion guide on whether probiotics make you constipated, and our article on how probiotics change bowel habits week by week.
Key Takeaways
Probiotics can loosen stools, but rarely cause true diarrhea. In 55 trials of people with IBS, the rate of side effects on probiotics was statistically the same as on placebo.[1]
Motility strains speed up transit, and that softens stool.Bifidobacterium lactis cut whole-gut transit time from 49 to 21 hours in 14 days at its higher dose.[2] The effect is largest in people whose gut was slow to begin with.[3]
Week two is usually the peak. If loose stools show up, they typically start in week one, peak around days 8 to 14, and settle by weeks three to four.
"Too many probiotics" is rarely the real cause. In a 503-patient trial, the higher dose produced less diarrhea than the lower dose or placebo.[4] Stacking new fiber, fermented foods and a doubled dose all at once is a more common trigger.
Cut the dose before you quit. Dropping to half a serving for five to seven days usually resolves adjustment-related loose stools without restarting the process.
Some symptoms mean stop and get checked. Blood in the stool, fever, signs of dehydration, or diarrhea lasting more than seven days aren't part of an adjustment period.[5]
Can Probiotics Cause Diarrhea? The Short Answer
Yes, but it's worth being precise about what "diarrhea" means. Clinically, diarrhea means three or more loose or watery stools in 24 hours.[5] What most people notice when they start a probiotic is something milder: softer stools, an extra trip or two, a little urgency in the morning, and more gas. That's a change in stool form, not diarrhea in the medical sense.
The trial data back this up. In a 2023 meta-analysis of probiotics in irritable bowel syndrome, a population with sensitive guts, 55 trials covering 7,448 people reported adverse events. The risk was statistically the same on probiotics and placebo (relative risk 1.05).[1] In a Cochrane review of 32 trials and 8,305 people taking antibiotics, adverse events were slightly lower with probiotics: 14.3% compared with 17.0% on placebo.[6]
One honest caveat: probiotic trials often report side effects poorly. A review of 384 microbiome trials found that 28% reported no harms data at all.[7] So "same as placebo" is the best available answer, not a guarantee. It's also why noticing your own pattern, and knowing what's normal, matters.
Softer stools vs. diarrhea: use the Bristol scale
The Bristol Stool Form Scale sorts stool into seven types. It's more than a description: stool form tracks how long stool spends in your colon better than frequency does.[8] The longer it sits, the more water is absorbed and the harder it gets. The faster it moves, the softer it stays.
1Hard lumps
2Lumpy sausage
3Cracked sausage
4Smooth and soft
5Soft blobs
6Mushy
7Watery
Types 3–4 are the target. A few days of type 5 is common in the first two weeks of a probiotic. Repeated type 6–7 stools are what to watch.
Why Do Probiotics Cause Diarrhea?
Probiotics don't irritate the bowel the way a stimulant laxative does. When stools loosen, it's usually because of one or more of the following changes in the colon.
1. Faster transit
Several probiotic species shorten the time it takes food to move through the gut. A meta-analysis of 11 randomized trials found that probiotic supplementation reduced transit time overall.[3] Faster transit means less time for the colon to pull water back out of stool, so stool comes out softer.[8] Part of the mechanism runs through short-chain fatty acids: when gut bacteria ferment fiber, these by-products prompt cells in the colon wall to release serotonin, which helps set the pace of contractions.[9]
2. More fermentation, briefly
New bacteria plus new fiber means more fermentation in the colon for a while. That produces gas and draws a little extra water into the bowel. Fiber dose matters: in a crossover trial, native inulin was well tolerated up to 10 grams a day, while 10 grams of the faster-fermenting oligofructose produced noticeably more symptoms, mainly gas.[10] Acacia gum, by contrast, caused no significant change in digestive symptoms even at 40 grams a day.[11]
3. A microbiome in flux
Your existing gut bacteria don't simply make room. In a study that sampled the gut lining directly, whether probiotic strains settled in depended on the individual's existing microbiome, and some people's guts resisted them almost entirely.[12] That's one reason two people can take the same capsule and have opposite experiences. It also helps explain why symptoms can flare before they settle, especially if you're starting from gut dysbiosis or a recent course of antibiotics.
4. Something else changed at the same time
People often start a probiotic as part of a bigger reset: more vegetables, a fiber powder, kombucha, a new diet. Any of these can loosen stools on its own. A stomach bug picked up the same week is easy to blame on the new capsule. Before blaming the probiotic, check whether anything else in your routine changed.
Before you blame the probiotic, check:
Other new fiber. Did you add a fiber supplement, more beans, or more raw vegetables in the same week?
Fermented foods. Kefir, kombucha, and sauerkraut add live cultures and fermentable sugars on top of your capsule.
Other ingredients. Bulking agents such as microcrystalline cellulose can affect stool form in sensitive people, so it's worth checking the "Other Ingredients" line.
Illness or medication. Antibiotics, metformin, magnesium supplements, and GLP-1 medications can all loosen stools independently.
Motility Strains: Which Probiotics Are Most Likely to Loosen Stools?
"Probiotic" covers many organisms, and they don't all affect the bowel the same way.[13] Some are best known for speeding up a slow gut; others are better studied for firming loose stools. The key point is that the speed-up effect is largest in people who are slow to begin with. In the transit meta-analysis, the effect in constipated people was more than three times the size of the effect in people with normal bowel habits.[3] A gut that's already regular has less room to speed up, which is why most people never notice a change at all.
−28 hDrop in transit time on high-dose B. lactis over 14 days[2]
+1.3Extra bowel movements per week across 14 constipation trials[14]
3×Larger transit effect in constipated vs. regular adults[3]
Bifidobacterium lactis: the strain most likely to soften stools early
If one species is going to loosen stools in the first two weeks, it's Bifidobacterium lactis. In a 14-day trial of 100 adults, whole-gut transit time fell from 49 to 21 hours at 17.2 billion CFU a day and from 60 to 41 hours at 1.8 billion CFU, while placebo didn't change. Eight of nine digestive symptoms improved on the higher dose, and no adverse events were reported.[2] For someone who was constipated, that's relief. For someone already regular, a shorter transit time can mean a few days of softer stools while the gut adjusts.
The strains that push toward the middle
Other species in the same category are better known for the opposite effect, or for moving stools toward a normal Bristol type 3–4 from either direction:
Bacillus coagulans improved diarrhea, stool frequency, and stool form over 90 days in adults with diarrhea-predominant IBS.[15] In a separate 8-week trial in IBS, 65% of people taking it reached normal stool consistency, compared with 33% on placebo.[16]
Lactobacillus rhamnosus cut antibiotic-associated diarrhea from 22.4% to 12.3% across 12 randomized trials.[17]
Bacillus clausii shortened acute diarrhea in children by about nine hours in a meta-analysis of six trials.[18]
Lactobacillus reuteri shortened acute gastroenteritis in children by just under a day, a modest effect.[19]
Species
What trials measured
Direction
B. lactis
Transit 49 → 21 h in 14 days; +1.5 bowel movements/week in constipated adults[2][14]
Speeds a slow gut; may soften stools early
B. coagulans
Diarrhea and stool form improved in IBS-D; 65% vs. 33% reached normal consistency[15][16]
Acute diarrhea about 9 hours shorter in children[18]
Protective against loose stools
L. reuteri
Acute gastroenteritis about 0.9 days shorter in children[19]
Protective; also studied for constipation
This is the practical argument for multi-strain formulas: a high-dose, single-strain motility product pushes in one direction, while a formula that pairs motility strains with stool-firming ones is more likely to land in the middle. The spore-forming Bacillus species add another layer. As spore-forming, soil-based strains, they pass through stomach acid dormant and become active in the intestine.
How MicroBiome Restore Balances Motility
MicroBiome Restore pairs B. lactis with B. coagulans, B. clausii, L. rhamnosus, L. reuteri, and 21 other species, so no single motility strain dominates. It provides 15 billion CFU per serving, within the range used in the trials above, with no microcrystalline cellulose, magnesium stearate, or silica.
What's Normal in Week 1, Week 2, Week 3, and Month 3
Most people never notice a change in stool at all. For those who do, the pattern below is typical. It's specific to loose stools. For a broader view, see how long probiotics take to work.
DAYS 1–7
Week 1: The first shift
Stool form usually changes before frequency does. Expect a softer bowel movement, maybe an extra one in the morning, and more gas as fermentation picks up. Trials show transit times already falling within the first two weeks.[2] A day or two of Bristol type 5 is ordinary. Watery stools aren't.
DAYS 8–14 · USUAL PEAK
Week 2: The adjustment peak
If loose stools are going to be noticeable, this is usually when. Bacterial numbers and fermentation are still climbing, and transit has had time to shorten. This is the window where cutting the dose (see below) pays off most. Many people who quit here would have been through it within a week.
DAYS 15–28
Weeks 3–4: Settling
Stool form should be moving back toward type 3–4, and gas should be easing. Most trials record their main results around four weeks, and across those trials overall side-effect rates on probiotics look like placebo.[1] If stools are still loose at the end of week three, even on a reduced dose, it's no longer an adjustment pattern.
MONTH 3
Month 3: Steady state
Bowel movements should be predictable and unremarkable. Loose stools that start at this point aren't adjustment. Look for another cause: a new food, an infection, a medication, or a condition such as IBS-D. Diarrhea lasting two weeks or more warrants medical testing.[5] At this stage, the signs your probiotic is working are usually beyond the bathroom.
The week-two peak describes the typical pattern, not a fixed rule from a single trial. Your timing may run a few days earlier or later.
Can Too Many Probiotics Cause Diarrhea?
For healthy adults, there's no established upper limit for probiotics, and the dose-ranging trials don't show more diarrhea at higher doses. The best direct test comes from a hospital trial of 503 adults on antibiotics. Antibiotic-associated diarrhea occurred in 12.5% of people taking 17 billion CFU, 19.6% of those taking 4 billion CFU, and 24.6% of those on placebo.[4] The higher dose produced less diarrhea, not more.
Dose does change how fast things move, though. In the B. lactis trial, the higher dose shortened transit time more than the lower one.[2] So for someone who was already regular, a big jump in dose can make the adjustment period more noticeable without causing harm. "Too many" usually looks like one of these:
Doubling the serving to get results faster
Taking two probiotic products at once
Starting a probiotic, a fiber supplement, and fermented foods in the same week
The fix is to spread those changes out, not to abandon probiotics.
The exception: SIBO
Small intestinal bacterial overgrowth (SIBO) is the one setting where "too many bacteria" is a meaningful concern. In a small study of 30 people with brain fog, gas, and bloating who were all taking probiotics, 68% had SIBO and 77% had D-lactic acidosis. 77% improved after stopping probiotics and taking antibiotics.[20] The study was small and doesn't prove cause and effect, but persistent bloating with loose stools and mental fog is worth discussing with a doctor rather than increasing your dose. Our guide to probiotics and SIBO covers the evidence.
Fiber dose matters too
The prebiotic side of a synbiotic can contribute to loose stools in the first weeks. Dose is what matters. The inulin trials that produced noticeable gas used 5 to 10 grams of fiber a day.[10] By comparison, an entire two-capsule serving of MicroBiome Restore, including probiotics, prebiotics, and all, weighs under 1.5 grams. Its prebiotics include Jerusalem artichoke (an inulin source) and acacia fiber, which was well tolerated at doses far higher than this.[11] Maitake mushroom, fig, and three sea vegetables (bladderwrack, Norwegian kelp, and oarweed) complete the blend.
Should You Stop Probiotics If You Have Diarrhea?
Usually not right away. Stopping and restarting means going through the adjustment again. Most adjustment-related loose stools respond to a smaller dose. Use what you're seeing to decide:
Keep going
Soft (type 5) stools once or twice a day
Mild gas or gurgling
Symptoms easing day by day
No fever, blood, or significant pain
Cut the dose
Two or three loose stools a day
Urgency or cramping that gets in the way of your day
No improvement by days 10–14
You recently doubled up or added other fiber
Stop and get checked
Blood in the stool, or black, tarry stool
Fever or severe or worsening pain
Signs of dehydration: dizziness, dark urine, very little urine
Watery diarrhea lasting more than 7 days
Weakened immune system, central line, or heart valve disease
How to cut the dose
Drop to one capsule a day for five to seven days, then return to the full two-capsule serving. Keep the timing the same each day (our guide to the best time to take probiotics explains why consistency matters more than the clock). If you're sensitive, take it just before your first meal rather than on a completely empty stomach. Drink extra water, and add an electrolyte drink if stools are loose. Hold off on any other new fiber or fermented foods until stools are back to type 3–4. If symptoms aren't easing by the end of week three on the lower dose, stop and talk to your doctor.
When diarrhea needs medical attention
Adjustment symptoms are mild and improve over time. See a doctor promptly for grossly bloody stools, fever with diarrhea, severe illness, signs of dehydration, or diarrhea lasting more than seven days. Diarrhea that persists for 14 days or more should be tested, and severe diarrhea during or after antibiotics should be checked for C. difficile.[5] People who are immunocompromised, critically ill, or who have a central venous catheter or heart valve disease should speak with their doctor before taking any probiotic.[21]
If the diarrhea isn't from the probiotic
Sometimes the timing is a coincidence and the diarrhea has its own cause. In those cases, stopping your probiotic may not help, and depending on the cause, staying on it may be the better choice:
From antibiotics. This is the strongest evidence for probiotics. A JAMA meta-analysis of 63 trials found a 42% lower risk of antibiotic-associated diarrhea.[22] Probiotics also cut C. difficile diarrhea from 4.0% to 1.5% in a Cochrane review.[6] See our guide to taking probiotics after antibiotics for timing.
From an infection. In adults, the evidence is weak. U.S. gastroenterology guidelines recommend against probiotics as a treatment for acute infectious diarrhea except after antibiotics.[5] The effects in children are real but modest.[18][19] Our articles on traveler's diarrhea and food poisoning cover prevention and recovery.
From an ongoing condition. If loose stools are your normal state, our overview of probiotics for diarrhea covers the strains studied for that problem.
A Gentler Start for Sensitive Guts
MicroBiome Restore balances motility strains with stool-firming ones across 26 species, with a light prebiotic load in a pullulan capsule. Start at one capsule if you're sensitive, and give it four weeks.
When it's part of the adjustment period, loose stools usually begin in the first week, peak around days 8 to 14, and fade by weeks three to four. Across controlled trials, overall side-effect rates on probiotics match placebo.[1] Loose stools that persist past week three on a reduced dose aren't an adjustment pattern. Stop and check with a doctor.
Why do probiotics give me diarrhea after months of taking them?
They probably don't. Adjustment happens early. New diarrhea after months of stable use usually has another cause: an infection, a new medication, a change in diet, or an underlying condition. If it lasts more than seven days, or comes with fever or blood, get it evaluated.[5]
Is it "die-off"?
"Die-off" is a popular explanation, but no direct evidence shows that early loose stools come from harmful bacteria dying. The better-supported explanations are faster transit and a temporary increase in fermentation.[3][10] Either way, the practical advice is the same: lower the dose, wait for it to settle, and watch for red flags.
Can I take probiotics when I already have diarrhea?
It depends on the cause. During and after antibiotics, the evidence for prevention is strong.[22] For an adult stomach bug, the evidence is weak, and probiotics aren't recommended as a treatment.[5] If you're already on a probiotic and catch a stomach bug, there's usually no need to stop, but hydration comes first.
Can probiotics cause diarrhea along with gas and bloating?
Yes, and they often show up together, because the same fermentation that produces gas also draws water into the bowel. For relief strategies that focus on the gas side, see our guide to probiotics for gas and bloating.
Do higher-CFU probiotics cause more diarrhea?
Not in the trials. In the 503-patient hospital study, 17 billion CFU led to less diarrhea than 4 billion CFU or placebo.[4] A higher dose can speed transit more in a gut that's already regular,[2] which may make the first week more noticeable, but CFU counts in the 1 to 17 billion range match what's used in the published research. Our article on L. acidophilus dosing shows how trial doses compare for a single species.
Could something besides the bacteria be causing it?
Possibly. Fillers, flow agents, and fermentable sweeteners in some supplements can affect stool form. It's worth taking a minute to check the label for hidden fillers before deciding the bacteria themselves are the problem.
The Bottom Line
Probiotics can cause loose stools, mostly in the first two weeks and mostly in people whose gut was already moving at a normal pace. Motility strains such as B. lactis speed up transit, a brief rise in fermentation adds water and gas, and the effect usually peaks in week two before settling by weeks three to four. Higher doses don't cause more diarrhea in the trials. Doubling up and adding several new fibers at once are more common triggers.
If stools loosen, cut the dose before you quit, give it a week, and know the red flags that mean stop: blood, fever, dehydration, or diarrhea lasting more than a week. For the full ingredient breakdown, read our complete guide to MicroBiome Restore.
Give Your Gut Four Weeks
26 probiotic species, 7 certified organic prebiotics, and 15 billion CFU per serving in a pullulan capsule, with no cellulose, stearates, silica, or titanium dioxide. Backed by a 30-day money-back guarantee, with free US shipping.
Goodoory, V. C., Khasawneh, M., Black, C. J., Quigley, E. M. M., Moayyedi, P., & Ford, A. C. (2023). Efficacy of probiotics in irritable bowel syndrome: Systematic review and meta-analysis. Gastroenterology, 165(5), 1206–1218. https://doi.org/10.1053/j.gastro.2023.07.018
Waller, P. A., Gopal, P. K., Leyer, G. J., Ouwehand, A. C., Reifer, C., Stewart, M. E., & Miller, L. E. (2011). Dose-response effect of Bifidobacterium lactis HN019 on whole gut transit time and functional gastrointestinal symptoms in adults. Scandinavian Journal of Gastroenterology, 46(9), 1057–1064. https://doi.org/10.3109/00365521.2011.584895
Miller, L. E., & Ouwehand, A. C. (2013). Probiotic supplementation decreases intestinal transit time: Meta-analysis of randomized controlled trials. World Journal of Gastroenterology, 19(29), 4718–4725. https://doi.org/10.3748/wjg.v19.i29.4718
Ouwehand, A. C., DongLian, C., Weijian, X., Stewart, M., Ni, J., Stewart, T., & Miller, L. E. (2014). Probiotics reduce symptoms of antibiotic use in a hospital setting: A randomized dose response study. Vaccine, 32(4), 458–463. https://doi.org/10.1016/j.vaccine.2013.11.053
Riddle, M. S., DuPont, H. L., & Connor, B. A. (2016). ACG clinical guideline: Diagnosis, treatment, and prevention of acute diarrheal infections in adults. American Journal of Gastroenterology, 111(5), 602–622. https://doi.org/10.1038/ajg.2016.126
Goldenberg, J. Z., Yap, C., Lytvyn, L., Lo, C. K. F., Beardsley, J., Mertz, D., & Johnston, B. C. (2017). Probiotics for the prevention of Clostridium difficile-associated diarrhea in adults and children. Cochrane Database of Systematic Reviews, 12, CD006095. https://doi.org/10.1002/14651858.CD006095.pub4
Bafeta, A., Koh, M., Riveros, C., & Ravaud, P. (2018). Harms reporting in randomized controlled trials of interventions aimed at modifying microbiota: A systematic review. Annals of Internal Medicine, 169(4), 240–247. https://doi.org/10.7326/M18-0343
Lewis, S. J., & Heaton, K. W. (1997). Stool form scale as a useful guide to intestinal transit time. Scandinavian Journal of Gastroenterology, 32(9), 920–924. https://doi.org/10.3109/00365529709011203
Reigstad, C. S., Salmonson, C. E., Rainey, J. F., Szurszewski, J. H., Linden, D. R., Sonnenburg, J. L., ... & Kashyap, P. C. (2015). Gut microbes promote colonic serotonin production through an effect of short-chain fatty acids on enterochromaffin cells. FASEB Journal, 29(4), 1395–1403. https://doi.org/10.1096/fj.14-259598
Bonnema, A. L., Kolberg, L. W., Thomas, W., & Slavin, J. L. (2010). Gastrointestinal tolerance of chicory inulin products. Journal of the American Dietetic Association, 110(6), 865–868. https://doi.org/10.1016/j.jada.2010.03.025
Calame, W., Weseler, A. R., Viebke, C., Flynn, C., & Siemensma, A. D. (2008). Gum arabic establishes prebiotic functionality in healthy human volunteers in a dose-dependent manner. British Journal of Nutrition, 100(6), 1269–1275. https://doi.org/10.1017/S0007114508981447
Zmora, N., Zilberman-Schapira, G., Suez, J., Mor, U., Dori-Bachash, M., Bashiardes, S., ... & Elinav, E. (2018). Personalized gut mucosal colonization resistance to empiric probiotics is associated with unique host and microbiome features. Cell, 174(6), 1388–1405.e21. https://doi.org/10.1016/j.cell.2018.08.041
McFarland, L. V., Evans, C. T., & Goldstein, E. J. C. (2018). Strain-specificity and disease-specificity of probiotic efficacy: A systematic review and meta-analysis. Frontiers in Medicine, 5, 124. https://doi.org/10.3389/fmed.2018.00124
Dimidi, E., Christodoulides, S., Fragkos, K. C., Scott, S. M., & Whelan, K. (2014). The effect of probiotics on functional constipation in adults: A systematic review and meta-analysis of randomized controlled trials. American Journal of Clinical Nutrition, 100(4), 1075–1084. https://doi.org/10.3945/ajcn.114.089151
Majeed, M., Nagabhushanam, K., Natarajan, S., Sivakumar, A., Ali, F., Pande, A., ... & Karri, S. K. (2016). Bacillus coagulans MTCC 5856 supplementation in the management of diarrhea predominant irritable bowel syndrome: A double blind randomized placebo controlled pilot clinical study. Nutrition Journal, 15, 21. https://doi.org/10.1186/s12937-016-0140-6
Madempudi, R. S., Ahire, J. J., Neelamraju, J., Tripathi, A., & Nanal, S. (2019). Randomized clinical trial: The effect of probiotic Bacillus coagulans Unique IS2 vs. placebo on the symptoms management of irritable bowel syndrome in adults. Scientific Reports, 9, 12210. https://doi.org/10.1038/s41598-019-48554-x
Szajewska, H., & Kołodziej, M. (2015). Systematic review with meta-analysis: Lactobacillus rhamnosus GG in the prevention of antibiotic-associated diarrhoea in children and adults. Alimentary Pharmacology & Therapeutics, 42(10), 1149–1157. https://doi.org/10.1111/apt.13404
Ianiro, G., Rizzatti, G., Plomer, M., Lopetuso, L., Scaldaferri, F., Franceschi, F., ... & Gasbarrini, A. (2018). Bacillus clausii for the treatment of acute diarrhea in children: A systematic review and meta-analysis of randomized controlled trials. Nutrients, 10(8), 1074. https://doi.org/10.3390/nu10081074
Patro-Gołąb, B., & Szajewska, H. (2019). Systematic review with meta-analysis: Lactobacillus reuteri DSM 17938 for treating acute gastroenteritis in children. An update. Nutrients, 11(11), 2762. https://doi.org/10.3390/nu11112762
Rao, S. S. C., Rehman, A., Yu, S., & Martinez de Andino, N. (2018). Brain fogginess, gas and bloating: A link between SIBO, probiotics and metabolic acidosis. Clinical and Translational Gastroenterology, 9(6), 162. https://doi.org/10.1038/s41424-018-0030-7
Doron, S., & Snydman, D. R. (2015). Risk and safety of probiotics. Clinical Infectious Diseases, 60(Suppl 2), S129–S134. https://doi.org/10.1093/cid/civ085
Hempel, S., Newberry, S. J., Maher, A. R., Wang, Z., Miles, J. N. V., Shanman, R., ... & Shekelle, P. G. (2012). Probiotics for the prevention and treatment of antibiotic-associated diarrhea: A systematic review and meta-analysis. JAMA, 307(18), 1959–1969. https://doi.org/10.1001/jama.2012.3507
Nicholas Wunder is the founder of BioPhysics Essentials. With a degree in Biology and a background in neuroscience and microbiology, he created Gut Check to cut through supplement industry marketing noise and share what the research actually says about gut health.
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