BioStacks
Best for
Ingredients (4)
L-Ornithine Hydrochloride
100%Dose
900 mg
Target
400–2000 mg
Form
Premium
L-Lysine Hydrochloride
100%Dose
1200 mg
Target
1000–3000 mg
Form
Premium
Calcium
100%Dose
200 mg
Target
200–600 mg
Form
Budget
L-Arginine Hydrochloride
70%Dose
1400 mg
Target
2000–6000 mg
Form
Premium
Other Ingredients (6)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
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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.