BioStacks
Best for
Ingredients (4)
Theanine
100%Dose/day
400 mg
Target
100–250 mg
Form
—
Total Glycine
67%Dose/day
2 g
Target
3–5 g
Form
—
Glycine
61%Dose/day
1.8 g
Target
3–5 g
Form
—
Glycine
5%Dose/day
0.2 g
Target
3–5 g
Form
—
Other Ingredients
No other ingredients listed
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
Label directs 2 servings — keep one for the evening
On the label
Adult does: Adults only. Take 1 tablet twice daily or as recommended by your registered healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.