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  1. Vitamin - Wikipedia

    Vitamins are organic molecules (or a set of closely related molecules called vitamers) that are essential to an organism in small quantities for proper metabolic function. These essential nutrients cannot be …

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

    6 days ago · What are the vitamin requirements in human beings? There is no uniform agreement concerning vitamin requirements for humans, but recommended daily vitamin intakes are sufficiently …

  3. 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 …

  4. What Are Vitamins, and Why Are They Important? - Verywell Health

    Sep 4, 2025 · Vitamins are essential nutrients that help with many body functions, including metabolism and energy. There are two types of vitamins: fat-soluble and water-soluble, each of which is …

  5. 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 …

  6. Vitamins - MedlinePlus

    Jul 17, 2024 · Vitamins are substances that your body needs to grow and develop normally. There are 13 vitamins your body needs; Each has specific jobs.

  7. Vitamins A, B, C, D, E, and K: Key Benefits and Food Sources

    Jan 31, 2025 · What you eat plays a role in your overall health. Learn how to get the vitamins you need through a mix of animal products, fruits, vegetables, and other sources.

  8. 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.

  9. 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.

  10. 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 …