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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

    Nov 22, 2025 · Vitamins are usually designated by selected letters of the alphabet, as in vitamin D or vitamin C, though they are also designated by chemical names, such as niacin and folic acid.

  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. 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 …

  6. What Vitamins Should You Really Take Each Day? - Verywell Health

    Dec 5, 2025 · Vitamins are a great way to ensure your body gets the essential nutrients it needs beyond what you eat, but the vitamins you should take daily depend on your health goals.

  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: 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 …

  9. The Ultimate Vitamin List A-Z: 13 Essentials You Must Know (2025)

    Did you know that vitamins are tiny superheroes your body can’t live without — yet many people don’t get enough of them? Whether you’re struggling with low energy, skin issues, or just want to boost …

  10. What To Know About Vitamins and Minerals - Cleveland Clinic Health ...

    Sep 16, 2024 · Vitamins are made by plants and animals, while minerals come from the soil and water — both of which are essential for our bodies.