BioStacks
Thorne

L-Glutamine

1 Capsule × 3/day · 90 servings · $0.24/serving

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Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.

Best for

Digestion

Ingredients (1)

L-Glutamine

30%

Dose/day

1500 mg

Target

5000–15000 mg

Form

—

Other Ingredients (2)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

HypromelloseCapsule

Plant-derived capsule material from cellulose

How to Take It

Take it anytime

Take between meals — it competes with other amino acids for absorption.

On an empty stomach
Split into 3 doses across the day

On the label

Take 1 capsule three times daily or as recommended by a health-care practitioner.

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

Price Check

$22.00

$10$20$50

Near the median of 74 glutamine supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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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