BioStacks
Best for
Ingredients (9)
Vitamin B6
40%Dose
10 mg
Target
25–100 mg
Form
Premium
Saw Palmetto (Serenoa repens) berry extract
100%Dose
320 mg
Target
160–320 mg
Form
Not listed
Zinc
50%Dose
7.5 mg
Target
15–30 mg
Form
Standard
Vitamin D
20%Dose
200 IU
Target
1000–5000 IU
Form
Premium
Stinging Nettle (Urtica dioica) root 10:1 extract
33%Dose
100 mg
Target
300–600 mg
Form
Budget
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
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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.