Recommended Dietary Allowances (RDAs) are the levels of intake of essential nutrients that, on the basis of scientific knowledge, are judged by the Food and Nutrition Board to be adequate to meet the known nutrient needs of practically all healthy persons. Recommended Dietary Allowances And Rda Of Indians. What should be the guiding factor to ensure balanced meals that meet the needs of all family members? Is there a Standard or a Reference that would serve as a goal for Good Nutrition? Read more here about the important concept of Recommended Dietary Allowances. RDA is the safe and adequate level of intake of essential nutrients for healthy individuals in a particular life stage and gender group. Learn the basic concept, significance, uses and recommendations of RDA for Indians from this web page. This value refers to the daily dietary nutrient intake level of nearly all healthy individuals in a particular life stage and gender group. RDA is intended for the purpose of supervised supplementation in deficient individuals or conditions.