
Vitamin - Wikipedia
In humans there are 13 vitamins: 4 fat-soluble (A, D, E, and K) and 9 water-soluble (8 B vitamins and vitamin C). Water-soluble vitamins dissolve easily in water and, in general, are readily excreted from …
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 …
Vitamins and Minerals From A to Z - WebMD
Aug 23, 2022 · Find out from WebMD's slideshow which vitamins and minerals your body needs, what they do, and what foods you can eat to get them..
What are vitamins, and how do they work? - Medical News Today
Oct 5, 2023 · Vitamins are essential to human health. Here, learn about each of the 13 vitamins, including good sources and how they help. Learn more here.
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 …
Vitamin | Definition, Types, & Facts | Britannica
Feb 14, 2026 · Biochemists traditionally separate them into two groups, the water-soluble vitamins and the fat-soluble vitamins. The common and chemical names of vitamins of both groups, along with …
Vitamins: MedlinePlus Medical Encyclopedia
Jan 21, 2025 · Vitamins are a group of substances that are needed for normal cell function, growth, and development.