The true statements about vitamin D are:
- Vitamin D is considered a hormone.
- Calciferol comes from plant and animal sources.
The other statements are false:
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Vitamin D comes only from animal food sources. (Vitamin D can also be synthesized in the skin through sunlight exposure and can come from certain plant sources, like mushrooms exposed to UV light.)
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Vitamin D is not considered an essential nutrient. (Vitamin D is considered essential for health, as it plays a crucial role in calcium absorption and bone health. However, it can be synthesized by the body when exposed to sunlight.)