"Dietary reference intake" refers to the suggested amounts of nutrients (like vitamins and minerals) that people of different ages, genders, and health conditions need from their diet to stay healthy. Full definition
The scientists who reviewed the vitamin D findings fall heavily into this camp: trials «typically provide the highest level of scientific evidence relevant for dietary reference intake development,» they wrote. (scientificamerican.com)
In 2005, the National Academy of Sciences established a set of Dietary Reference Intakes (DRIs) for protein that included age and gender specific Recommended Dietary Allowances (RDAs) for protein. (whfoods.com)
The National Academies of Sciences, Engineering and Medicine, Health and Medicine Division sets daily dietary reference intakes for vitamins and minerals. (verywellfit.com)