BioStacks
Best for
Ingredients (3)
L-Theanine
100%Dose
100 mg
Target
100–250 mg
Form
—
Gamma Aminobutyric Acid
100%Dose
100 mg
Target
100–300 mg
Form
—
Huperzine A
100%Dose
50 mcg
Target
50–400 mcg
Form
—
Other Ingredients (4)
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
Malic AcidAcidulant
Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
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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.