BioStacks
Best for
Ingredients (2)
Suntheanine® L-Theanine
100%Dose
200 mg
Target
100–250 mg
Form
Premium
GABA
100%Dose
100 mg
Target
100–300 mg
Form
—
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Best taken in the evening
Used in the evening for relaxation.
With or without food
On the label
Adults, as a dietary supplement, take two (2) capsules daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$29.96
Pricier than 81% of 50 GABA 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.