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Multi-Strain Formula

Bifidobacterium Synbiotic

A dual-strain synbiotic with Bifidobacterium adolescentis, Bifidobacterium longum, D-ribose, and XOS for a considered daily microbiome routine.

What’s inside

  • 16 billion CFU, totalB. adolescentis and B. longum together in one daily formula.
  • D-ribose + XOS100 mg of complementary prebiotic actives.
  • Clear by designA purposeful dual-strain formula without unnecessary complexity.
  • 30-day supplyOne capsule daily; 30 servings per container.
$49.99

How subscription works

  • Delivered on your selected schedule
  • Save 10% on recurring orders
  • Manage or cancel anytime

One-time order

A single shipment, with no recurring delivery.

Select the option that fits your routine.

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Supplement facts

Serving size: 1 capsule · Servings per container: 30

Human Strain Probiotic Blend: 16 billion CFU total probiotic activity from Bifidobacterium adolescentis and Bifidobacterium longum.

Human Strain Prebiotic Blend: 100 mg of D-ribose and xylo-oligosaccharides (XOS).

† Daily Value not established.

Ingredients & allergy advice
This formula combines Bifidobacterium adolescentis, Bifidobacterium longum, D-ribose, and XOS. Review the product label before use if you have questions about ingredients or allergens.
How to take
Take one capsule daily, or use as directed on the product label.
What to expect
Human Strain products are designed for everyday routine support. Individual experiences vary; consistency and following the label directions matter.
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Human Strain Bifidobacterium Synbiotic on a bright science desk

Formula design

A clear formula for a consistent routine.

Bifidobacterium Synbiotic brings two Bifidobacterium strains together with D-ribose and XOS in one daily format.

We make it easy to understand the formula, use it as directed, and decide whether it fits your routine.

Human-strain foundation.

Formula design begins with carefully selected Bifidobacterium strains and an ingredient rationale that is easy to review.

Formula transparency.

Product pages and labels present the ingredients, product format, and support information without unnecessary noise.

Built for a daily routine.

Use as directed on the label as part of a consistent daily routine that works for you.

Bring more intention to your daily routine.

A dual-strain synbiotic with D-ribose and XOS in one simple daily format.

  • Two Bifidobacterium strains in one formula.
  • D-ribose and XOS as complementary actives.
  • Built to fit a consistent daily routine.
Bifidobacterium Synbiotic
Hand holding one daily capsule

Your daily format

As easy as 1 daily capsule.

Take one capsule as directed and make it part of the daily routine that works for you.

For serving details and ingredients, refer to the product label.

Published research context

Research on an included strain.

In a randomized, placebo-controlled study of the Bifidobacterium adolescentis strain included in this synbiotic, adults with lactose maldigestion recorded daily digestive symptom scores during a two-week supplementation period. The study evaluated that strain on its own, not the complete Synbiotic formula.

88%lower reported diarrhea score
80%lower reported fecal-urgency score
53%lower reported bloating score

Exploratory comparisons versus placebo in this two-week study; the individual symptom comparisons did not reach statistical significance. Results are not a promise of individual outcomes.

Ramakrishnan M, et al. Gut Microbes Reports (2025).

Two-week comparison

Study groups compared

Reported mean daily score. Lower is better.

B. adolescentisPlacebo
Diarrhea88% lower vs placebo
B. adolescentis 0.04
Placebo 0.35
Bathroom urgency80% lower vs placebo
B. adolescentis 0.14
Placebo 0.68
Bloating53% lower vs placebo
B. adolescentis 0.30
Placebo 0.65

Human Strain customer reviews

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