FOUNDATIONAL TERM
Nutrient
营养素
A food component used for energy, structure, or regulation.
Study this concept in context
33 · The nutrients the body needs
The body needs more than energy from food. Nutrients build tissues, take part in metabolism, and support physiological functions. This lesson explains the roles of six nutrient classes, distinguishes intake from absorption and use, and shows how to interpret nutrient reference values.
Sources
- OpenStax: Nutrition and Diet
- WHO: Healthy diet
- NIH ODS: Dietary Supplements—What You Need to Know
- NIH ODS: Iron
- NIH ODS: Iron—Health Professional Fact Sheet
- NIH ODS: Thiamin—Health Professional Fact Sheet
Definitions come from the published lessons. Read the linked lesson for mechanisms, conditions and examples.