BioStacks
Best for
Ingredients (10)
Biotin
9%Dose
90 mcg
Target
1000–5000 mcg
Form
—
Vitamin C
72%Dose
18 mg
Target
25–200 mg
Form
Standard
Copper
60%Dose
600 mcg
Target
1000–2000 mcg
Form
Standard
Selenium
21%Dose
21 mcg
Target
100–200 mcg
Form
Premium
Niacin
24%Dose
6 mg
Target
25–500 mg
Form
Standard
Other Ingredients (7)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
Citric AcidAcidulant
Natural acid derived from citrus fruits
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
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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.