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Vitamin D3

Vitamin D3 · Vitaminë D3 · Cholecalciferol · Kolekalciferol · Ergocalciferol · Vitamin D2 · Ergokalciferol · Vitaminë D · Cholecalciferol (Vitamin D3) · Kolekalciferoli · Cholecalciferolum · Colecalciferol · Cholecalciferol (INCI)

Vitamin D3 (cholecalciferol) is a fat-soluble vitamin naturally present in the body and in some animal-derived foods. In dietary supplements, it is commonly used as cholecalciferol, dissolved in oil and measured in micrograms (µg) or international units (IU), in soft capsules, drops, or tablets. The raw material can come from lanolin (sheep wool fat) or from vegan sources through fermentation and subsequent processing. In cosmetic formulations, it may appear as an ingredient in small amounts, usually listed on the label with the INCI name "Cholecalciferol." As a substance, it is a derivative of sterols with a lipophilic structure, often combined with oil carriers for stability and distribution. In products, the designation "D3" is used to distinguish it from vitamin D2 (ergocalciferol), which is another form of vitamin D.

Approved claims

Approved claims

Safety notes

EFSA proposes a tolerable upper intake level (UL) of 100 µg per day for adults for vitamin D (as vitamin D equivalents). High total intake from all sources may increase the risk of calcium-related adverse effects; if you use multiple vitamin D products at the same time, consult a doctor before use. Vitamin D may interact with certain medicines that affect vitamin D or calcium metabolism; consult a doctor before use. Pregnancy, breastfeeding and children should consult a doctor before use.

Products containing it

Products containing it