Adults need between 700 and 900 micrograms (mcg) of vitamin A every day to avoid a deficiency. Most people can get that through food, but some people with certain health conditions may need supplements to help them meet their needs. This includes people with cystic fibrosis, a condition that...
The human body needs vitamin A, which is a fat-soluble vitamin. Based on large studies, adult men should consume 900 µg of vitamin A per day29, while adult women should consume 700 µg30. Two major kinds of vitamin A, bioactive forms of vitamin A (retinol and retinyl ester) and ...
14. There is no official recommended dietary allowance for vitamin D, but an adequate dietary intake per day for most adults is currently considered to be 200 to 400 IU. 有没有官方推荐膳食津贴,维生素d ,但足够的饮食摄取量每天为一般成年人是目前被视为有200至400国际单位。
Relatively large amounts of vitamin C are required—for instance, an adultmanis said to need about 70 mg (1 mg = 0.001 gram) per day.Citrusfruits and fresh vegetables are the best dietary sources of the vitamin. Because vitamin C is easily destroyed by reactions withoxygen, especially in ...
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Taking around 4,000 IU (100 μg) of vitamin D per day for extended periods (≥6 months) seems to increase the risk of hypercalcemia (high blood calcium) and, among older adults, the likelihood of experiencing a fall.[10] A few trials on older adults have found that vitamin D ...
ratios with vitamin D compared with placebo in participants with a baseline age younger than the median of 66.7 years (P=0.02) and in those who consumed less than 1 drink per day (P=0.01). Combining omega-3 fatty acids with vitamin D3resulted in no significant treatment effect.(Albert ...
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vitamin d 3 supplementation at 4000 international units per day for one year results in a decrease of positive cores at repeat biopsy in subjects with low-risk prostate cancer under active surveillance 来自 dx.doi.org 喜欢 0 阅读量: 12 作者: DT Marshall,SJ Savage,E Garrett-Mayer,TE Keane...