BioStacks
Solgar

Vitamin D3, 25 mcg (1,000 IU)

1 Tablet · 180 servings · $0.06/serving

iHerbAmazon

Best for

ImmuneDentalBone & Joint

Ingredients (1)

Vitamin D

100%

Dose

1000 IU

Target

1000–5000 IU

Form

Premium

Other Ingredients (7)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Riboflavin-5-PhosphateColorant

Active coenzyme form of vitamin B2; used as yellow colorant and for B2 fortification in supplements

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

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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.

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