BioStacks
Best for
Ingredients (22)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Iodine
100%Dose
150 mcg
Target
150–500 mcg
Form
Premium
Vitamin B12
1%Dose
3 mcg
Target
250–5000 mcg
Form
Premium
Vitamin B6
12%Dose
3 mg
Target
25–100 mg
Form
Premium
Biotin
3%Dose
30 mcg
Target
1000–5000 mcg
Form
—
Other Ingredients (11)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Tapioca SyrupSweetener
High glycemic index similar to glucose syrup. Adds significant sugars and calories — often the primary ingredient by weight in gummy supplements. 'Organic' labeling does not change the glycemic impact.
InulinFiller
Prebiotic soluble fiber from chicory root, used as a filler and flow agent in capsules and tablets
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.
Black CarrotColorant
Natural colorant derived from anthocyanin-rich black carrots, used to provide purple/red color in gummies and chewables
Carnauba WaxCoating
Hard plant wax from the carnauba palm used to glaze gummies and tablets
Citric AcidAcidulant
Natural acid derived from citrus fruits
PectinGelling Agent
Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies
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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.