Vitamin A is required by humans in very small amounts; the recommended intakes for adult men and women are 1,000 and 800 micrograms (μg; 1 μg = 0.000001 gram), respectively, with an extra allowance for women who are pregnant or lactating. It is assumed that every 6 μg of beta-ca...
athe recommended daily amount of vitamin a from all sources is 700mcg r.e. 2330lu for women and 900mcg r.e. 3000lu foy men 被推荐的每日金额维生素A从所有来源是700mcg r.e。 2330lu为妇女和900mcg r.e。 3000lu foy人[translate]
a长江之旅 Travel of the Yangtze River[translate] athe recommended daily amount of vitamin Afrom all sources is 700 ug retinol equivalents for women and 900 ug retinol equivalents for men 被推荐的每日金额维生素Afrom所有来源是700个ug松香油等值为妇女和900个ug松香油等值为人[translate]...
aD:be [translate] ainsufficient supports 不足的支持 [translate] aB:is [translate] aThe recommended daily amount of Vitamin Afrom all sourcesis 700R.E for women and900R.E.for men 被推荐的每日金额维生素Afrom所有sourcesis 700R.E为妇女and900R.E.for人 [translate] ...
Children: Vitamin A is likely safe when taken in the recommended amounts. The maximum amounts of vitamin A that are safe for children are based on age. Vitamin A is possibly unsafe for children when taken by mouth in high doses. Taking high doses can cause side effects, including irritab...
Last December, research was published which sought to determine the intakes of vitamin D required to maintain certain concentrations of this nutrient in the body [1]. This particular study found that to maintain a vitamin D level of 80 nmol/L (32 ng/ml) about 1,600 IU isJ Briffa...
How Much Vitamin A Should You Take? The recommended dietary allowance (RDA) includes the vitamin A you get from both the food you eat and any supplements you take. The tolerable upper intake levels of a supplement are the highest amount that most people can take safely. Higher doses might...
因此,设空句作为段首句,应是主题句,点明主题:不同年龄需求量的不同(The average daily recommended amounts vary based on your age.)。故选F项。【小题5】根据前一句“Because the fat cells take vitamin D up, making it less available for use by tile body(因为脂肪细胞吸收维生素D,使之不能被身体...
F. The average daily recommended amounts vary based on your age.G. Vitamin D should be supplemented carefully despite its importance. 相关知识点: 试题来源: 解析 (1)-(5)AEDFC(1)A.考查上下文的联系.根据后句The lower your vitamin D level is, the higher your risk of death from ally ...
The recommended daily amount of Vitamin A from all sources is 700 micrograms retinol equivalents for women and 900 micrograms retinol equivalents for men. When taken in excess of 3000 micrograms retinol equivalents, Vitamin A can cause birth defects. If you are pregnant or considering. becoming pre...