
Vitamin - Wikipedia
Vitamins have diverse biochemical functions. Vitamin A acts as a regulator of cell and tissue growth and differentiation. Vitamin D provides a hormone-like function, regulating mineral metabolism for bones …
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.
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 …
The Vitamin Shoppe® Official | Vitamins, Health Supplements
Customers may return any opened or unopened merchandise purchased from any The Vitamin Shoppe or Super Supplements store or at www.vitaminshoppe.com, our mobile site or any mobile apps to …
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 …
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 …
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.
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.
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 …
The Complete Guide to Vitamins in Everyday Foods - EatingWell
Sep 16, 2025 · Learn about vitamins A through K, their benefits, deficiency risks, and the best foods to eat for daily nutrition and lasting energy.