BioStacks
Carlson

Vitamins A D3 K2

1 Softgel · 60 servings · $0.35/serving

73 / 100Good

Score Breakdown

Formulation
88
Safety
80
Final score
73/100

Ingredients (3)

Vitamin D

100%

Dose

5000 IU

Target

1000–5000 IU

Form

Premium

Vitamin K

100%

Dose

90 mcg

Target

90–200 mcg

Form

Premium

Vitamin A

100%

Dose

3000 mcg RAE

Target

700–1500 mcg

Form

Standard

Other Ingredients (4)

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

Mixed TocopherolsAntioxidant

Natural vitamin E used as preservative

Safflower Seed OilCarrier

Light, neutral oil from safflower seeds used as a carrier in softgels for fat-soluble nutrients

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.