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  1. Vitamin - Wikipedia

    Most vitamins are not single molecules, but groups of related molecules called vitamers. For example, there are eight vitamers of vitamin E: four tocopherols and four tocotrienols. The term vitamin does …

  2. Vitamins and Minerals From A to Z - WebMD

    Aug 23, 2022 · One type comes from animal sources of food. It helps you see at night, make red blood cells, and fight off infections. The other type is in plant foods. It helps prevent damage to cells and an …

  3. Vitamin | Definition, Types, & Facts | Britannica

    6 days ago · All vertebrates, including humans, require dietary sources of vitamin A, vitamin D, thiamin, riboflavin, vitamin B 6, and pantothenic acid; some vertebrates, particularly the more highly evolved …

  4. Vitamins and Minerals - The Nutrition Source

    Vitamins 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 …

  5. Vitamins: MedlinePlus Medical Encyclopedia

    Jan 21, 2025 · There are 13 essential vitamins. This means that these vitamins are required for the body to work properly. They are: Vitamins are grouped into two categories: Fat-soluble vitamins are stored …

  6. What Are Vitamins? - Healthline

    Nov 29, 2023 · Vitamins are nutrients that are found in the foods we eat. They’re needed for functions such as growth, metabolism, and nervous system activities. Often, a health-promoting diet can …

  7. Vitamin and Mineral Supplement Fact Sheets - Office of Dietary ...

    Very few foods naturally have vitamin D. Fatty fish such as salmon, tuna, and mackerel are among the best sources. Fortified foods like milk provide most of the vitamin D in American diets.

  8. Vitamins and Minerals - Nutrition.gov

    Learn about the functions that each vitamin and mineral performs in the body. Discover what minerals your body needs to stay healthy and work properly. Learn what vitamins your body needs and where …

  9. Essential Vitamins: Importance, Deficiencies, and Solutions

    Aug 22, 2023 · Learn about the 13 essential vitamins your body needs for proper function, their roles, and how to get them through a balanced diet. Plus, the risks of vitamin deficiencies and how to …

  10. 10 Foods Rich in Vitamin B That Can Replace Your Supplement

    5 days ago · Read about foods naturally rich in various B vitamins like chicken, beef, salmon, spinach, eggs, fortified cereals, milk, hummus, and various seeds.