BioStacks
Best for
Ingredients (8)
Vitamin K2
100%Dose
3000 mcg
Target
90–200 mcg
Form
Standard
Vitamin D3
40%Dose
400 IU
Target
1000–5000 IU
Form
Premium
Vitamin K1
100%Dose
1000 mcg
Target
90–200 mcg
Form
Not listed
Vitamin K
100%Dose
4050 mcg
Target
90–200 mcg
Form
Not listed
Vitamin K2
56%Dose
50 mcg
Target
90–200 mcg
Form
Premium
Other Ingredients (6)
Soy LecithinEmulsifier
Widely used emulsifier derived from soybeans
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
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
BeeswaxCoating
Natural wax produced by honeybees, used as a coating and binding agent in softgels and tablets
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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.