BioStacks
Best for
Ingredients (4)
Biotin
100%Dose
10000 mcg
Target
1000–5000 mcg
Form
—
PABA
100%Dose
75 mg
Target
30–400 mg
Form
—
NAC
42%Dose
250 mg
Target
600–1800 mg
Form
—
Inositol
8%Dose
150 mg
Target
2000–4000 mg
Form
—
Other Ingredients (2)
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.