Dietary Guidelines for Americans is published jointly every 5 years by the Department of Health and Human Services (HHS) and the Department of Agriculture (USDA).

The Dietary Guidelines are intended to be a primary source of dietary health information for policymakers, nutrition educators, and health providers.

Based on the latest scientific evidence, the 2005 Dietary Guidelines provides information for people two years and older and advice for choosing a nutritious diet, maintaining a healthy weight, achieving adequate exercise, and "keeping foods safe" to avoid foodborne illness