BioStacks
74 / 100Good
Best for
Score Breakdown
Formulation
93
Safety
80
Final score
74/100
Ingredients (1)
Vitamin D
100%Dose
2000 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients (8)
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
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.
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
Citric AcidAcidulant
Natural acid derived from citrus fruits
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
PectinGelling Agent
Plant polysaccharide from citrus peels or apple pomace used to gel pectin-based gummies
Vegetable OilCarrier
Edible oils used as carriers in softgels and as processing aids
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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.