BioStacks
Best for
Ingredients (2)
Iron
100%Dose
15 mg
Target
15–45 mg
Form
Premium
Vitamin C
100%Dose
175 mg
Target
25–200 mg
Form
Budget
Other Ingredients (4)
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Hypoallergenic Plant FiberFiller
Plant-derived cellulose fiber used as a hypoallergenic filler, common in Thorne and Pure Encapsulations products
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
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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.