BioStacks
74 / 100Good
Best for
Score Breakdown
Formulation
74
Safety
100
Final score
74/100
Ingredients (2)
Suntheanine® L-Theanine
100%Dose
200 mg
Target
100–250 mg
Form
Premium
Vitamin B6
17%Dose
4.3 mg
Target
25–100 mg
Form
Premium
Other Ingredients (3)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in 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.