Inactive forms of vitamins that the physique can convert into lively usable forms. Also referred to as vitamin precursors.
<h3>What are energetic varieties of vitamins?</h3>
Infections and fevers make bigger the requirement for vitamin A. Three extraordinary types of vitamin A are lively in the body: retinol, retinal, and retinoic acid. These are known as retinoids. The cells of the physique can convert retinol and retinal to the other lively varieties of diet A as needed.
<h3>What's A precursor vitamin?</h3>
The time period "precursor" is applied to an inactive substance transformed to an energetic one (such as an enzyme, vitamin, or hormone). The time period "precursor" applies to any chemical that is modified into another.
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