BioStacks
Best for
Ingredients (1)
Vitamin D3
100%Dose
5000 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients (14)
Medium Chain Triglyceride OilCarrier
Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent
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.
AgarThickener
A gelling polysaccharide extracted from red seaweed
Ascorbic AcidAntioxidant
Vitamin C used as an antioxidant preservative in supplements to prevent oxidation
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
Gum AcaciaBinder
Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements
How to Take It
Take it anytime
Fat-soluble — take with your largest fat-containing meal. Time of day doesn't matter.
With a meal containing fat
On the label
Adults, as a dietary supplement, take one (1) gummy daily with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$24.99
Pricier than 75% of 586 vitamin D supplements
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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.