BioStacks
Best for
Ingredients (5)
Vitamin D3
100%Dose
5000 IU
Target
1000–5000 IU
Form
Premium
Vitamin K2
100%Dose
300 mcg
Target
90–200 mcg
Form
Premium
Vitamin K2
100%Dose
1500 mcg
Target
90–200 mcg
Form
Standard
Vitamin A
100%Dose
900 mcg RAE
Target
700–1500 mcg
Form
Standard
Vitamin K1
100%Dose
1000 mcg
Target
90–200 mcg
Form
Budget
Other Ingredients (9)
Coconut OilCarrier
Edible oil from coconut used as a release/anti-sticking agent and carrier in gummies and soft formats
AnnattoColorant
Natural yellow-orange colorant derived from the seeds of the achiote tree (Bixa orellana)
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Extra Virgin Olive OilCarrier
Cold-pressed olive oil used as a carrier and filler in softgel capsules for fat-soluble nutrients
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
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
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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.