I
Historical Perspective and Background
Part I presents an overview of the report and information on the evolution of dietary reference standards.
Chapter 1 outlines the purpose of this report and provides an introduction to Dietary Reference Intakes (DRIs), a set of four nutrient-based reference values, each of which has special uses.
A discussion of the concept of using dietary reference standards along with the identification of their past uses (specifically the former Recommended Dietary Allowances [RDAs] and Recommended Nutrient Intakes [RNIs]) is detailed in Chapter 2.