Provitamin
noun, Biochemistry.
1.
a substance that an organism can transform into a vitamin, as carotene, which is converted to vitamin A in the liver.
noun
1.
a substance, such as carotene, that is converted into a vitamin in animal tissues
provitamin pro·vi·ta·min (prō-vī’tə-mĭn)
n.
A vitamin precursor that is converted to its active form through normal metabolic processes.
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provitamin D2 n. A substance, such as ergosterol, that can give rise to vitamin D2.
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verb to provoke
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