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Vitamin effects on the immune system: vitamins A and D take centre stage
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日期:2024-10-11
Vitamin D Vitamin D 3 (VD 3), the most physiologically relevant form of vitamin D, is synthesized in the skin from 7-dehydrocholesterol 5, a process which depends on sunlight, specifically ultraviolet B radiation (wavelengths of 270–300 nm). Alternatively...看更多