BioStacks
Swanson

Dr. Stephen Langer's Ultimate 16 Strain Probiotic with FOS

1 Capsule · 60 servings · $0.25/serving

iHerbAmazon

Best for

Digestion

Ingredients (18)

16-Strain Probiotic Blend

100%

Dose

3.2 billion cfu

Target

1–100 B CFU

Form

Not listed

FOS (Fructooligosaccharides)

1%

Dose

50 mg

Target

5000–10000 mg

Form

—

L. salivarius

180 million cfu

Unit not recognized — not scored

B. bifidum

180 million cfu

Unit not recognized — not scored

B. breve

180 million cfu

Unit not recognized — not scored

Other Ingredients (6)

AlfalfaFiller

A nutrient-dense plant sometimes used as a base or filler in supplement formulations

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Trace MineralsBase

A blend of trace minerals (typically including selenium, chromium, manganese, molybdenum, etc.) used as a supporting base ingredient

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Capsule ShellCapsule

Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.

How to Take It

Best taken in the morning

Live strains survive stomach acid best taken with or just before a meal — after a meal is the worst option. Consistency matters more than the clock.

With food
Keep it away from hot food or drink

On the label

As a dietary supplement, take one capsule daily or as directed by a healthcare practitioner.

General guidance based on the ingredients, not a substitute for the label or your doctor.

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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