Medical Definition of Nutrition

Nutrition: 1: The process of taking in food and using it for growth, metabolism, and repair. Nutritional stages are ingestion, digestion, absorption, transport, assimilation, and excretion. 2: A nourishing substance, such as nutritional solutions delivered to hospitalized patients via an IV or IG tube.

QUESTION

According to the USDA, there is no difference between a “portion” and a “serving.” See Answer