Vitamins are organic substances that are generally classified as either fat soluble or water soluble. Fat-soluble vitamins (vitamin A, vitamin D, vitamin E, and vitamin K) dissolve in fat and tend to …

The term "vitamin" was derived from "vitamine", a portmanteau coined from "vital amine " in 1912 by the biochemist Casimir Funk and his friend Max Nierenstein, Reader of Biochemistry at Bristol …

Mar 23, 2026 · Vitamin, any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life. Vitamins generally cannot be synthesized in …

Learn more about Vitamin E uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Vitamin E.

Nov 29, 2023 · Vitamins are what your body needs to function and stay healthy. It's possible to get all the vitamins you need from the food you eat, but supplements may help.

This collection of fact sheets and other resources from the NIH Office of Dietary Supplements (ODS) and other federal government sources provides information about dietary supplements and their …

Jan 21, 2025 · Vitamins are a group of substances that are needed for normal cell function, growth, and development.

Compare vitamins. View important safety information, ratings, user reviews, popularity and more.

Aug 22, 2023 · Learn about the 13 essential vitamins your body needs for proper function, their roles, and how to get them through a balanced diet. Plus, the risks of vitamin deficiencies and how to …

The meaning of VITAMIN is any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants, act especially as coenzymes and precursors of …