The Dietary Reference Intakes (DRIs) are a set of common nutrient standards set by the Food and Nutrition Board (FNB) of the Institute of Medicine (IOM). The IOM has been setting nutrient standards for the United States since 1943; they are a benchmark for nutritional adequacy in the United States and Canada (IOM, 2006b). As such, they support many program, policy, and regulatory initiatives. For example, federal guidance based on the Dietary Guidelines for Americans available to consumers thro…