The 2015-2020 Dietary Guidelines for Americans holds up three U.S. Food & Drug Administration–approved models of healthy eating:
Healthy U.S.-Style Eating Pattern
Healthy Vegetarian Eating Pattern
Healthy Mediterranean-Style Eating Pattern
The Healthy U.S.-Style Eating Pattern is based on foods Americans typically consume: vegetables, fruits, grains, dairy, and protein.
The Healthy Mediterranean-Style Eating Pattern is similar