
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 …
Vitamin | Definition, Types, & Facts | Britannica
Feb 14, 2026 · Vitamins are any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life. They are usually designated by selected …
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: What are they, and what do they do? - 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 which is …
Vitamins & Minerals - Cleveland Clinic
Oct 1, 2025 · What are vitamins and minerals? Vitamins and minerals are micronutrients, substances your body needs in small amounts to work properly. They’re part of your body’s internal chemistry, a …
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.
Vitamins, Minerals, & Supplements - Healthline
Explore content covering everything you need to know about vitamins, minerals, and supplements.
Vitamins & Supplements - WebMD
Get all the information you need on vitamins and supplements, from A to Z, with WebMD's comprehensive database. Our expert resources cover everything from health benefits to potential side...
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 …