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 …

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 …

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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.

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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 …

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.

Mar 20, 2024 · There are several vitamins and mineral supplements that many people can benefit from — but it’s important to consult with a healthcare provider before you start one. A lot of people turn to …

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 …