BioStacks
Best for
Ingredients (1)
L-Theanine
100%Dose
200 mg
Target
100–250 mg
Form
Premium
Other Ingredients (5)
Coconut OilCarrier
Edible oil from coconut used as a release/anti-sticking agent and carrier in gummies and soft formats
BeeswaxCoating
Natural wax produced by honeybees, used as a coating and binding agent in softgels and tablets
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
How to Take It
Best taken in the evening
Calming — common before bed, or in the morning when paired with caffeine for focus.
With or without food
On the label
Adults take 1 softgel daily with or without food, or as recommended by a healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$33.99
Near the median of 118 theanine 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.