BioStacks
Source Naturals

Vitamin D-3 2000 IU

1 Capsule · 200 servings · $0.07/serving

81 / 100Excellent

Score Breakdown

Formulation
93
Safety
87
Final score
81/100

Ingredients (2)

1 scored · 1 not scored

Vitamin D32000 IU

Optimal dose · Premium form

Calcium51 mg

Trace amount — not scored

Other Ingredients

Fillers, coatings, and additives

3Safe1Caution

MaltodextrinBinder

Caution

Magnesium StearateLubricant

Safe

Calcium CarbonateBuffer

Safe

GelatinCapsule

Safe

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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.