BioStacks
Best for
Ingredients (7)
Vitamin B6
100%Dose
2.4 mg
Target
1.3–25 mg
Form
Premium
L-Theanine
100%Dose
200 mg
Target
100–250 mg
Form
—
Zinc
10%Dose
1.5 mg
Target
15–30 mg
Form
Premium
Magnolia Bark Extract
38%Dose
75 mg
Target
200–500 mg
Form
—
L-Taurine
20%Dose
200 mg
Target
1000–3000 mg
Form
—
Other Ingredients (3)
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
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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.