BioStacks
Nature Made

Vitamin D3 25 mcg (1000 IU)

1 Softgel · 210 servings · $0.04/serving

90 / 100Excellent

Score Breakdown

Formulation
90
Safety
100
Final score
90/100

Ingredients (1)

Vitamin D3

100%

Dose

1000 IU

Target

1000–5000 IU

Form

Premium

Other Ingredients (3)

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

Vegetable OilCarrier

Edible oils used as carriers in softgels and as processing aids

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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.