BioStacks
Best for
Ingredients (8)
L-Theanine
100%Dose
250 mg
Target
100–250 mg
Form
—
Green Tea extract
100%Dose
300 mg
Target
200–500 mg
Form
—
Magnesium
100%Dose
200 mg
Target
100–400 mg
Form
Standard
Zinc
100%Dose
15 mg
Target
15–30 mg
Form
Standard
Gamma-Aminobutyric Acid
100%Dose
450 mg
Target
100–300 mg
Form
—
Other Ingredients (3)
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
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in 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.