Vitamins: What are they, and what do they do? - Medical News …
WebOct 5, 2023 · Vitamins are essential to human health. Here, learn about each of the 13 vitamins, including good sources and how they help. Learn more here.
Vitamin - Wikipedia
WebIn humans there are 13 vitamins: 4 fat-soluble (A, D, E, and K) and 9 water-soluble (8 B vitamins and vitamin C). Water-soluble vitamins dissolve easily in water and, in general, are readily excreted from the body, to the degree that urinary output is a strong predictor of vitamin consumption.
Vitamin | Definition, Types, & Facts | Britannica
WebWhat are vitamins? What are the two main groups of vitamins? What are sources for vitamins? What common diseases are caused by a vitamin deficiency? What are the vitamin requirements in human beings? vitamin, any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life.
What Are Vitamins? - Healthline
WebNov 29, 2023 · Takeaway. Vitamins are nutrients that are found in the foods we eat. They’re needed for functions such as growth, metabolism, and nervous system activities. Anna Denisova/Getty Images. Often, a...
Vitamins and Minerals | The Nutrition Source | Harvard T.H. Chan …
WebVitamins and minerals are micronutrients required by the body to carry out a range of normal functions. However, these micronutrients are not produced in our bodies and must be derived from the food we eat. Vitamins are organic substances that are generally classified as either fat soluble or water soluble.
Listing of vitamins - Harvard Health
WebAugust 31, 2020. The list of vitamins and minerals below can give you an understanding of how particular different types of vitamins and minerals work in your body, how much of each nutrient you need every day , and what types of food to eat to ensure that you are getting an adequate supply.
Vitamins: MedlinePlus
WebApr 2, 2015 · There are 13 vitamins your body needs. They are: Vitamin A; B vitamins (thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B-6, vitamin B-12 and folate) Vitamin C; Vitamin D; Vitamin E; Vitamin K; You can usually get all your vitamins from the foods you eat. Your body can also make vitamins D and K.
维生素 - 维基百科，自由的百科全书
Web名称. 维生素（Vitamin）这个词是 波兰 化学家 卡西米尔·冯克 於1912年最先提出的，是由 拉丁文 的生命（ Vita ）和氨（ -amine ）拼写而得，因为他当时发现维生素中含有 氮 ，认为很可能属于 胺类 ，并推测自然界中存在维持生命与健康所需的胺（后来证明并非如此） [2] 。 1920年，英国化学家 杰克·德拉蒙德 （Jack Drummond）提出既然不能证明是胺，则应将最后一个字母 e 去掉以符合命名规范，而且后缀 -in 正好可以指成分不明的中性物质 [3] 。 …
Essential vitamins | Description, List, Names, Functions, …
WebThere are 13 essential vitamins necessary for the normal health and growth of the human body. Given that vitamins cannot usually be synthesized by the body in sufficient amounts, they must be obtained from the diet or from some synthetic source. They are traditionally separated into two groups:
Vitamins and Minerals | NCCIH
WebHealth Information. Vitamins and Minerals. Vitamins and minerals are essential substances that our bodies need to function normally. The known vitamins are vitamins A, C, D, E, and K and the B vitamins: thiamin (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), cobalamin (B12), biotin, and folate/folic acid.
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