BioStacks
Life Extension

Vitamin D3 125 mcg (5,000 IU)

1 Softgel · 120 servings · $0.13/serving

85 / 100Excellent

Score Breakdown

Formulation
100
Safety
85
Final score
85/100

Ingredients (1)

Vitamin D3

100%

Dose

5000 IU

Target

1000–5000 IU

Form

Premium

Other Ingredients (6)

Medium Chain Triglyceride OilCarrier

Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent

Extra Virgin Olive OilCarrier

Cold-pressed olive oil used as a carrier and filler in softgel capsules for fat-soluble nutrients

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

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

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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.