Which of the following statement is TRUE according to the passage?A. Pregnant women are not advised to take vitamin A.B. An overdose of vitamin A can be dangerous.C. Consult doctors if you have never taken vitamin A before.D. Vitamin A can help short-sighted people restore their eyesigh...
your body's fatty tissue.Before Taking This Medicine Ask a doctor or pharmacist if vitamin A is safe to use if you have ever had: kidney disease;liver problems; a zinc or iron deficiency; an infection in your intestines; if your body does not absorb fats properly; if you are pregnant....
题目What nutrient helps the body absorb calcium? A. Vitamin D B. Vitamin B C. Iron D. Magnesium 相关知识点: 试题来源: 解析 A。维生素 D 帮助身体吸收钙。维生素 B 有多种作用但与钙吸收无关;铁运输氧气;镁有其他功能不是吸收钙。反馈 收藏 ...
What is vitamin D deficiency?Vitamin D deficiency is a low level of vitamin D in your body. Vitamin D helps your body absorb calcium from foods.Vitamin D is also essential for maintaining a healthy immune system. The function of the immune system is to prevent or limit infection....
How long does it take to correct a vitamin D deficiency? Simply adding an over-the-counter vitamin D supplement can make improvements in justthree to four months' time. Vitamin D with a strength of 2000 international units daily is the recommended dose for most adults. However, you'll want...
Absorbcalcium Improve the function of yourparathyroidglands Prevent other conditions Sources of Vitamin D You can get vitamin D from three main sources: sunlight, food, and supplements. Sunlight.Around 15 to 20 minutes of sunlight every few days is typically enough to provide you with a healthy ...
Everything you need to know about vitamin D, from how much you need and how you can benefit from it to what can happen if you get too little or too much.
Along with helping the body absorb calcium and keep bones strong, vitamin D is necessary for muscle, nerve and immune system health. The skin uses sunlight to manufacture this vitamin, but many people, especially in northern latitudes in winter, fail to make enough. Likewise, very few foods ...
People at high risk of vitamin D deficiency may resort to UV-emitting lamps and bulbs. This includes people unable to absorb the vitamin (malabsorption) or those who can't get enough in the winter months, said Michael F. Holick, MD, a professor of medicine, sociology, and biophysics at ...
People also need sufficient levels of vitamin D to absorb the calcium. The IOM recommends 600 interactional units a day for most adults, and 800 daily after age 70, although many physicians recommend more. It is difficult to take in that much vitamin D from food sources, so experts say man...