BioStacks
Primal Harvest

Primal Gut Restore

2 Capsules · 30 servings · $1.67/serving

iHerbAmazon

Best for

Digestion

Ingredients (3)

Bifidobacterium longum BB536

100%

Dose

3 billion cfu

Target

1–100 B CFU

Form

Premium

Tributyrin

50%

Dose

300 mg

Target

600–4500 mg

Form

—

Xylooligosaccharide

10%

Dose

100 mg

Target

1000–4000 mg

Form

—

Other Ingredients (4)

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

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

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

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

Adults, take two (2) capsules daily with a morning or afternoon meal.

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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