The Dietary Reference Intake (or DRI)'s a system of nutrition recommendations from the Institute of Medicine (IOM) of the US National Academy of Sciences. The DRI system's used by both the United States and Canada and's intended for the general public and health professionals. Applications include: Composition of diets for schools, prisons, hospitals or nursing homes Industries developing new food stuffs Healthcare policy makers and public health officials The DRI was introduced in 1997 in o… (More on Usrda)