Which of the following statement about Recommended Dietary Allowances (RDA) is TRUE?
EAR forms the basis for setting the RDA. RDA is set at 2 standard detions above estimated average requirement. Estimated average requirement (EAR) is the daily intake value that is estimated to meet the requirement in 50% of individuals in a life stage or gender group. Recommended daily allowance (RDA) is the average daily dietary intake level that is sufficient to meet the nutrient requirement in nearly 97-98% healthy individual in a specific life stage and gender group. Ref: Harrison's Principle of Internal Medicine, 18th Edition, Chapter 73 ; Dietary Reference Intakes: For Calcium, Phosphorus, Magnesium, Vitamin D By Institute of Medicine (U.S.). Standing Committee on The Scientific Evaluation of Dietary Reference Intakes, Page 23