BioStacks
Best for
Ingredients (5)
Vitamin D
100%Dose
2000 IU
Target
1000–5000 IU
Form
Premium
Vitamin K2
100%Dose
90 mcg
Target
90–200 mcg
Form
Premium
Norwegian Fish Oil concentrate
100%Dose
1000 mg
Target
1000–3000 mg
Form
Not listed
DHA
80%Dose
200 mg
Target
250–1000 mg
Form
—
EPA
80%Dose
400 mg
Target
500–2000 mg
Form
—
Other Ingredients (7)
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.
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Mixed TocopherolsAntioxidant
Natural vitamin E used as preservative
Rosemary ExtractPreservative
Natural plant-derived antioxidant used to preserve freshness and prevent oxidation of oils and fats in supplements
Sunflower Seed OilCarrier
Common vegetable oil from sunflower seeds used as a carrier in softgels for fat-soluble nutrients
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.