BioStacks
Best for
Ingredients (1)
L-Glutamine
80%Dose/day
4000 mg
Target
5000–15000 mg
Form
—
Other Ingredients (7)
ShellacCoating
Natural resin secreted by the lac bug, used as a coating and glazing agent for tablets and pills
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Take it anytime
Take between meals — it competes with other amino acids for absorption.
On an empty stomach
Split into 2 doses across the day
On the label
As a dietary supplement, take two (2) tablets two times daily, preferably before and after your workout, or as directed by your qualified healthcare professional. Consider taking this product in combination with Best Naturals B-6.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$14.99
Cheaper than 77% of 90 glutamine supplements
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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.