The Dietary Guidelines for Americans (DGA) provide nutritional advice for Americans who are healthy or who are at risk for chronic disease but do not currently have chronic disease. The Guidelines are published every five years by the US Department of Agriculture, together with the US Department of Health and Human Services. Notably, the most recent ninth edition for 2020–25 includes dietary guidelines for children from birth to 23 months. In addition to the Dietary Guidelines per se, there additional tools for assessing diet and nutrition, including the Healthy Eating Index (HEI) which can be used to assess the quality of a given selection of foods in the context of the Dietary Guidelines. Also provided are additional explanations regarding customization of the Guidelines to individual ea