A substance which is converted into a vitamin within an organism.
- Beta carotene, a provitamin found in plants and their pigments, is a benign source of vitamin A and is an antioxidant with possible anticarcinogenic properties.
- The study supports the recommendation of a safe limit to the amount of vitamin A intake for women and confirms that toxicity is not a concern with provitamins such as beta-carotene.
- However, the Inuit population infrequently consumes vegetables in general, including certain yellow and green ones that contain provitamin A carotene.
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