Definition: The science of foods and the nutrients they contain. Nutrition includes the study of the actions of the nutrients within the body, including ingestion, digestion, absorption, transport, metabolism and excretion.
Nutrition
By Shereen Jegtvig, About.com Guide
Updated May 04, 2012
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
Nutrition Glossary
Explore Nutrition
Must Reads
- How Many Calories Do You Need?
- Hydration Calculator
- How Healthy Is Your Diet?
- How To Gain Weight
- Dietary Supplements - Benefits and Risks
Most Popular
By Category
