BioStacks
Best for
Ingredients (9)
Calcium
100%Dose
333.3 mg
Target
200–600 mg
Form
Premium
Vitamin C
27%Dose
66.7 mg
Target
250–2000 mg
Form
Standard
Magnesium
100%Dose
166.7 mg
Target
100–400 mg
Form
Budget
Copper
33%Dose
333 mcg
Target
1000–2000 mcg
Form
Standard
Zinc
22%Dose
3.3 mg
Target
15–30 mg
Form
Standard
Other Ingredients (5)
Coating (unspecified)Coating
Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Autolyzed YeastFlavor
Yeast that has been broken down to release naturally occurring amino acids and flavor compounds
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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.