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 …
Vitamin | Definition, Types, & Facts | Britannica
Jan 2, 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, …
The Complete Guide to Vitamins in Everyday Foods - EatingWell
Sep 16, 2025 · This handy guide breaks down vitamins A through K, including all eight B vitamins. We’ll share their primary functions, what happens if you don’t get enough, and the best foods …
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 …
Vitamins: MedlinePlus Medical Encyclopedia
Jan 21, 2025 · Vitamins are a group of substances that are needed for normal cell function, growth, and development.
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 …
What are vitamins, and how do they work? - Medical News Today
Oct 5, 2023 · This article explains what vitamins are, what they do, and which foods are good sources. Follow the links in blue below for more information about each vitamin.