Daily gut routine
Bioma Probiotics
A once-a-day delayed-release capsule combining three Bifidobacterium species with a prebiotic fiber and tributyrin.
- Format
- Capsule, once a day
- Type
- Probiotic, prebiotic and postbiotic
- Cost
- $1.21 a day
- Customer rating
- 4.1 out of 5 from 4,528 ratings from Amazon
What customers consistently report
- Less bloating within a few weeks
- Fewer cravings and a smaller appetite
- An easy once-a-day routine
Those are the themes that recur across the reviews. Moderate review confidence — Amazon shows 4.1 from 4,528 ratings and Trustpilot 4.1 from 11,339, but the Trustpilot score is brand-wide and mostly about ordering and billing, the brand’s own page shows testimonials with no score, and no Better Business Bureau profile was found.
Why it might work
Bifidobacterium species are normal gut bacteria that ferment fiber into short-chain fatty acids, and the label pairs three of them with xylooligosaccharides (XOS), a fiber that Bifidobacterium use as food. Tributyrin is a form of butyrate, a short-chain fatty acid that colon cells use for energy; laboratory work shows part of it is broken down in the small intestine and part reaches the colon. The capsule is described as delayed-release, a brand claim with no survival data on the page. The brand also links these ingredients to appetite and GLP-1, which none of the trials of the ingredient class measured for this formula. Because the species have no strain codes and no per-organism counts, the label does not let a reader check which Bifidobacterium they are getting or how many, and effects in studies differ by strain.
What the research supports
The evidence here is for the ingredient class, not this formula. Reviews of probiotic and synbiotic trials in people with overweight report small average reductions in body weight and fat mass, about a kilogram, mostly from named Lactobacillus and Bifidobacterium strains. This label names three Bifidobacterium species without strain codes or per-species amounts, and no trial of this product was found; the brand’s own figures come from a one-week survey of 14 paid users that it says is not a scientific study. The prebiotic dose is 100 mg, far below the 1.4 to 8 g used in the xylooligosaccharide trials, and the tributyrin ingredient has only a laboratory study at this dose.
What the label discloses
The three species share one proprietary blend, shown as 9 billion CFU at the time of manufacture, and the blend weight differs between label versions (90 mg on the brand’s label image, 29 mg on the Walmart and Amazon listings). The allergen statement also differs between versions. No third-party testing statement was found on the pages read.
Who this tends to suit
We match this product to people reporting bloating, gas, general abdominal discomfort and irregular bowel habits. It fits someone whose priority is day-to-day comfort or a steady daily routine. Whether it is the best fit for you depends on the rest of your answers — what you have already tried, what format you will take, and anything that has to be ruled out.
Where it may not fit
The label supports vegan, gluten-free and no added sweeteners. We flag this product for anyone pregnant or breastfeeding or taking prescription medication, and the quiz removes it rather than recommending it in those cases. That is a caution about who should be deciding, not a claim about the product. A capsule only works if you will take it once a day, every day.
Side effects and what to be aware of
Recurring complaints are no change in bloating or weight for the price, and subscription billing on the brand’s own site: customers report being charged the difference between the plan price and the regular price to cancel early, and renewals they did not expect. The Walmart version of the label says not to use it if pregnant or nursing, and to consult a professional if taking medication or with a medical condition.
Common questions
Does Bioma work?
Bioma’s page markets it for gut balance, appetite and weight. No trial of the finished product was found, and the brand’s own figures come from a one-week survey of 14 paid users that it says is not a scientific study. Reviewers split: Amazon shows 66% five-star and 12% one-star, with praise for less bloating and complaints of no change in bloating or weight.
Is Bioma safe, and what are the side effects?
The label lists a prebiotic fiber, tributyrin and three Bifidobacterium species, and the brand says bloating can occur in the first days for people new to probiotics. One version of the label says not to use it if pregnant or nursing, and all versions say to consult a professional if you take medication or have a medical condition. It is for adults 18 and over.
How much does Bioma cost?
A one-month supply (60 capsules, 30 servings) was $65.99 one-time or $47.99 on the first subscription order on the brand’s site during a fall sale. Walmart and Amazon list a single bottle at $36.39, which is about $1.21 a day.
Can I cancel a Bioma subscription?
The brand’s terms say a subscription can be cancelled only after the second charge, or earlier by paying the difference between the plan price and the regular price, and that refunds are not given on recurring shipments. Billing is the most common complaint on its Trustpilot profile (4.1 from 11,339 reviews, 12% at one or two stars), with reports of extra charges of $40 to $170 at cancellation. The Walmart and Amazon listings sell single bottles with no subscription.
What is in Bioma?
Per two capsules: 100 mg xylooligosaccharides from corn cob, 90 mg tributyrin (CoreBiome) and a proprietary blend of Bifidobacterium breve, lactis and longum at 9 billion CFU at manufacture, with no strain codes. The capsule is hypromellose, described as delayed-release. The brand states it is vegan, non-GMO, stimulant-free and gluten-free, and no sweetener is listed.
Before you take this. Speak to a doctor or pharmacist first if you are pregnant or breastfeeding, or taking prescription medication. Nothing on this page is medical advice, and no supplement diagnoses, treats, cures or prevents disease.
Is this the right one for you?
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Related reading
Background on how this type of product works, read from the trial evidence.