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Six Basic Nutrients and Their Functions

Published Aug,17 2011 | By Cindy Ell

There are six classes of essential nutrients necessary for human survival: carbohydrates, proteins, lipids, vitamins, minerals and water.

Cindy Ell began writing professionally in 1990. A former medical librarian, she has written materials for hospitals, medical associations, the "Nashville Scene" and "Coping Magazine." She received her Bachelor of Arts in linguistics from the University of Massachusetts and her Master of Library and Information Science from Pratt Institute. She is currently a full-time freelance medical writer.