By Laura Collins | Updated July 2026 | 14 min read
Affiliate disclosure: This page contains affiliate links — we may earn a commission at no extra cost to you. Medical disclaimer: Not medical advice; consult your doctor before starting any supplement.
Quick Verdict
- ✓ Built on real, published prebiotic/postbiotic science — XOS and Tributyrin (CoreBiome®) both have genuine gut microbiome research behind them
- ✓ Full supplement facts label disclosed with exact milligram amounts — unusually transparent for this category
- ✓ Two honest caveats: the doses on the label are meaningfully lower than the amounts used in the clinical research behind the ingredients, and checkout defaults to a recurring subscription rather than a one-time purchase
Bioma Probiotics is one of the most-searched gut health supplements online right now — and also one of the most confusing to research, because the same product name shows up across a surprising number of different websites with different pricing and guarantee terms. This review is based on the official Bioma Health checkout page (getbioma.com) and the actual supplement facts label, not marketing copy from any of the third-party pages circulating this name.
At a Glance
| Product | Bioma Probiotics |
| Category | Prebiotic + postbiotic + probiotic capsule |
| Key ingredients | iXOS™ Xylooligosaccharide (100mg), Tributyrin/CoreBiome® (90mg), Bifidobacterium blend (29mg) |
| Serving | 2 capsules daily, before breakfast |
| Price | $26.14–$47.99 per bottle depending on plan |
| Guarantee | 14 days |
| Where to buy | Official website only |
What Is Bioma Probiotics?
Bioma Probiotics is a daily capsule supplement built around a 3-in-1 approach — a prebiotic (XOS), a postbiotic (Tributyrin, branded as CoreBiome®), and a probiotic blend of three Bifidobacterium strains. It’s delivered in a delayed-release vegan capsule designed to survive stomach acid and release its contents in the intestines rather than the stomach.
What it is NOT:
- A treatment for diagnosed digestive conditions like IBD, celiac disease, or SIBO
- A one-time purchase by default — see the pricing section below, this matters
- A fast fix — realistic evaluation takes several weeks of consistent use
Ingredients & What the Evidence Shows — With Real Doses Compared
This is where an honest review needs to slow down, because the label is genuinely more transparent than most products we review — which lets us do something we usually can’t: compare the actual dose in the product to the doses used in the research behind each ingredient.
A prebiotic fiber with published research showing it enhances beneficial bacteria growth and produces short-chain fatty acids. A registered clinical pilot study (NCT01944904) used 2,800mg daily — 28 times the dose in this formula.
A postbiotic butyrate precursor with real 2025 research showing it enhances butyrate levels and beneficial bacteria — though that research is an in vitro gut simulation, not a human trial yet, and used 300–450mg — roughly 3 to 5 times the dose here.
Breve, lactis, and longum are all well-established, extensively studied probiotic species. The label lists a combined 29mg for all three strains together but doesn’t disclose CFU (colony-forming units) — the standard measure of probiotic potency that most clinical research actually reports in.
Allergen note: manufactured in a facility that also handles eggs, wheat, milk, tree nuts, peanuts, soybeans, crustacean shellfish, and fish. Worth knowing if you have any of these allergies, even though none are direct ingredients.
🚩 The Multiple “Official Site” Problem — Read This Before You Buy
During our research, we found this exact product name used across at least eight different websites, each claiming to be the official Bioma site, with meaningfully different guarantee periods (14, 30, 60, and even 90 days depending on the site), different stated retailers, and in some cases different ingredient descriptions entirely.
We verified the real, current checkout page directly — getbioma.com, operated by Bioma Health UAB — and this review is based on that page’s actual pricing, guarantee, and the physical supplement label. If you land on a site quoting a 60-day or 90-day guarantee for Bioma, you’re looking at outdated information or an unaffiliated reseller page, not the current official terms.
Check Availability — Verified Current Terms →
Is Bioma Probiotics Legit or a Scam?
The core product is real, manufactured in a GMP-certified US facility, with a genuine, physically verifiable supplement facts label. It is not a scam in the sense of a non-existent product. The legitimacy question here is less about fraud and more about checkout transparency — see the next section, because this is the part that requires your full attention.
⚠️ Important — Checkout Defaults to a Subscription
This is different from every other supplement we’ve reviewed on this site, and it matters.
At checkout, the page defaults to a “Subscribe & Save” option rather than a one-time purchase, with the explicit terms stating “Plans renew automatically till cancelled.” A one-time purchase toggle does exist, but it is not the pre-selected default — you need to actively choose it if that’s what you want.
What this means practically: if you complete checkout without changing this setting, you will be enrolled in recurring billing and shipped — and charged for — another supply on a repeating schedule until you actively cancel. This is a legitimate, disclosed business model, not hidden fine print, but it’s meaningfully different from the one-time-purchase-only model used by most products in this category, and it’s easy to miss if you’re moving quickly through checkout.
Our recommendation: before completing your order, look specifically for the “One-Time Purchase” toggle at the top of the pricing section and confirm it’s selected if that’s your preference.
Who Should — and Shouldn’t — Use This
- Good fit: Adults looking for a well-disclosed, science-based approach to general gut health support, comfortable with either the subscription model or willing to actively opt out of it
- Good fit: People who want to know exactly what’s in their supplement, including specific milligram doses — this label delivers that transparency
- Should think twice: Anyone who wants a strictly one-time purchase and might forget to change the default checkout selection
- Should consult a doctor first: Anyone with a diagnosed digestive condition, or known allergies to the manufacturing facility’s listed allergens
Side Effects & Safety Considerations
Generally well-tolerated. Mild bloating or digestive adjustment in the first several days is common when starting any prebiotic/probiotic combination, as gut bacteria populations begin shifting — this typically resolves within one to two weeks.
No synthetic stimulants are included. The main safety consideration is the shared-facility allergen exposure noted above, relevant primarily for people with significant food allergies rather than general users.
Pricing & Where to Buy
1 Bottle
30 Day Supply
$63.99 $47.99
per bottle · $1.60/day
Free Shipping
14-Day Guarantee
3 Bottles
90 Day Supply
$50.44 $35.31
per bottle · $1.18/day
✓ Free Shipping · Secret Gift
14-Day Guarantee
6 Bottles
180 Day Supply
$40.21 $26.14
per bottle · $0.87/day
✓ Free Shipping · Secret Gift
14-Day Guarantee
Check Current Pricing — Official Website →
Important: All plans include free shipping and 2 free bonus guides (anti-inflammatory weight loss diet guide, gut repair e-book). Remember to select “One-Time Purchase” at checkout if you don’t want recurring billing. The 14-day guarantee is the shortest evaluation window we’ve seen in this product category — factor that into your decision, since 14 days is often not enough time for meaningful gut microbiome changes to become apparent.
Pros & Cons
Strengths
- Full label transparency with exact milligram doses — rare in this category
- 3-in-1 prebiotic/postbiotic/probiotic approach backed by real mechanistic research
- Delayed-release vegan capsule technology
- Free shipping and bonus guides on multi-bottle plans
- GMP-certified US manufacturing
Drawbacks
- XOS and Tributyrin doses are meaningfully lower than research amounts
- Checkout defaults to subscription, not one-time purchase
- Only a 14-day guarantee — the shortest we’ve reviewed in this category
- Multiple third-party sites with conflicting, outdated terms create real confusion
- Probiotic blend doesn’t disclose CFU count, the standard potency measure
Final Verdict
Bioma Probiotics is built on genuinely real gut health science — XOS as a prebiotic and Tributyrin as a postbiotic both have legitimate, if still-developing, published research behind their mechanisms, and the Bifidobacterium strains included are well-established in the probiotic literature. The label transparency — actual milligram doses rather than a vague blend — is a real point in its favor.
The honest gaps are specific and worth weighing: the doses on the label run notably below what the underlying research studies used, the 14-day guarantee gives you very little time to properly evaluate results, and the default subscription checkout requires active attention to avoid if you want a one-time purchase. None of these make it a scam — but together they mean going in with realistic expectations and careful attention at checkout matters more here than with most products we review.
Ready to Try Bioma Probiotics?
A transparent label backed by real science — just remember to check your checkout settings before you order.
Visit the Official Website →Scientific References
- Finegold SM, et al. Xylooligosaccharide supplementation alters gut bacteria in both healthy and prediabetic adults: a pilot study. Beneficial Microbes. Clinical trial registration: NCT01944904.
- [Tributyrin (CoreBiome®) enhances butyrate levels and modulates the gut microbiota, barrier function, and immune response in vitro]. Frontiers in Nutrition. 2025.
- A review of the capacity of xylooligosaccharides to modulate gut microbiota and promote health. PubMed. 2025. PMID: 40470881.

Laura Collins
Editorial direction and review for Wellness Balance Pro. Every ingredient dose was compared directly against published clinical research, the official checkout terms were verified firsthand, and the multiple-domain pattern was independently investigated.
Affiliate & Editorial Disclosure
Wellness Balance Pro may earn a commission from purchases made through links on this page, at no additional cost to you. This does not influence our evaluation — our review process is based on independent research into ingredients, manufacturing claims, and publicly available customer feedback.
This content is for informational purposes only and is not medical advice. Consult a healthcare provider before starting any new supplement, especially if you take medication or have an underlying health condition.
