UV light stimulates the production of which vitamin?

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Prepare for the ITEC Beauty Specialist Test. Study with flashcards and multiple choice questions, with hints and explanations for each. Ace your exam!

Multiple Choice

UV light stimulates the production of which vitamin?

Explanation:
UV light, especially UVB, stimulates the skin to make vitamin D. UVB photons convert a cholesterol-related compound in the skin (7-dehydrocholesterol) into previtamin D3, which then becomes vitamin D3. This vitamin is further processed in the liver and kidneys to its active forms. Other vitamins aren’t produced by sunlight in the skin; they come from dietary sources or supplements.

UV light, especially UVB, stimulates the skin to make vitamin D. UVB photons convert a cholesterol-related compound in the skin (7-dehydrocholesterol) into previtamin D3, which then becomes vitamin D3. This vitamin is further processed in the liver and kidneys to its active forms. Other vitamins aren’t produced by sunlight in the skin; they come from dietary sources or supplements.

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