[proh-vahy-tuh-min; Brit. also proh-vit-uh-min]
A provitamin is a substance that can be converted into a vitamin by animal tissues. Similar to a prodrug that is metabolized into a drug.

List of provitamins

Vitamin Provitamin(s)
A Carotene, cryptoxanthin
B5 Panthenol
D2 Ergosterol
D3 7-Dehydrocholesterol
E Tocopheryl acetate

See also

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