Document is current

Article History

Received: 17 October 2020

Accepted: 30 June 2021

First Online: 18 August 2021

Competing interests

: A.D. is the original developer of the Naturally Nutrient Rich and the Nutrient Rich Food (NRF) indices. That work was supported at the time by the Nutrient Rich Coalition whose members were the Beef Checkoff Program through the National Cattlemen’s Beef Association, the California Avocado Commission, California Kiwifruit, the California Strawberry Commission, the Egg Nutrition Center, Florida Department of Citrus, the Grain Foods Foundation, the National Dairy Council, the National Pork Board, the United States Potato Board, the Wheat Foods Council and the Wild Blueberry Association of North America. A.D. has received grants, contracts and honoraria from entities both public and private with an interest in nutrient density metrics and nutrient profiling of foods.