essential nutrient(redirected from 9 essential nutrients)
essential dietary componentClinical nutrition
A required dietary component, without which a deficiency state develops; essential dietary components include water (1–2 litres/day), calories (2000–2800 kcal/day), carbohydrates, fat, protein, vitamins, minerals and fibre.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
essential nutrientAny food substance required for health or growth that is not synthesized in the body and must be present in the diet.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005