Skip to main content

Work Under Way

Scientific Report of the 2020 Dietary Guidelines Advisory Committee

The United States Departments of Agriculture and Health and Human Services thank the 2020 Dietary Guidelines Advisory Committee for its independent scientific review on nutrition and health and for submitting the Scientific Report of the 2020 Dietary Guidelines Advisory Committee to the Secretaries of USDA and HHS. The public is encouraged to submit comments to the Departments on the Scientific Report.

The first print of the Scientific Report of the 2020 Dietary Guidelines Advisory Committee is being provided to the public online. Use the links below to download the Scientific Report, in full or in part by section or chapter. The report will be formatted for publication and available in hard copy later this year. Online-only supplementary materials for data analysis, food pattern modeling, and NESR systematic reviews are also provided at the bottom of the page.

Scientific Report of the 2020 Dietary Guidelines Advisory Committee Purple Logo

Suggested citation: Dietary Guidelines Advisory Committee. 2020. Scientific Report of the 2020 Dietary Guidelines Advisory Committee: Advisory Report to the Secretary of Agriculture and the Secretary of Health and Human Services. U.S. Department of Agriculture, Agricultural Research Service, Washington, DC.

Download the Full Scientific Report of the 2020 Dietary Guidelines Advisory Committee

Table of Contents

Table of Contents

Letter to the Secretaries

Dietary Guidelines Advisory Committee Membership and Federal Support Staff

Part A: Executive Summary

Part B: Setting the Stage and Integrating the Evidence

Chapter 1: Introduction

Chapter 2: Integrating the Evidence

Part C: Methodology

Part D: Evidence on Diet and Health

Current Dietary Intakes Through the Life Course

Chapter 1: Current Intakes of Foods, Beverages, and Nutrients

Diet and Health Relationships: Pregnancy and Lactation

Chapter 2: Food, Beverage, and Nutrient Consumption During Pregnancy

Chapter 3: Food, Beverage, and Nutrient Consumption During Lactation

Diet and Health Relationships: Birth to Age 24 Months

Chapter 4: Duration, Frequency, and Volume of Exclusive Human Milk and/or Infant Formula Feeding 

Chapter 5: Foods and Beverages Consumed During Infancy and Toddlerhood 

Chapter 6: Nutrients from Dietary Supplements During Infancy and Toddlerhood

Chapter 7: USDA Food Patterns for Children Younger Than Age 24 Months

Diet and Health Relationships: Individuals Ages 2 Years and Older

Chapter 8: Dietary Patterns 

Chapter 9: Dietary Fats and Seafood

Chapter 10: Beverages

Chapter 11: Alcoholic Beverages

Chapter 12: Added Sugars

Chapter 13: Frequency of Eating

Chapter 14: USDA Food Patterns for Individuals Ages 2 Years and Older

Part E: Future Directions

Online-Only Supplementary Material

Download the Full Scientific Report of the 2020 Dietary Guidelines Advisory Committee