BioStacks
Best for
Ingredients (3)
Suntheanine L-Theanine
100%Dose
100 mg
Target
100–250 mg
Form
Premium
GABA
100%Dose
150 mg
Target
100–300 mg
Form
—
Phospholipids
11%Dose
135 mg
Target
1200–2400 mg
Form
Budget
Other Ingredients (4)
Denatured AlcoholSolvent
At higher topical levels it can dry and irritate skin and disrupt the skin barrier with repeated use.
Polyethylene Glycol (Coating)Coating
A polyether polymer used as a tablet coating and plasticizer
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies 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.