The Dietary Reference Intakes (DRI) and Recommended Dietary Allowances (RDA) are essentially the same and these terms can be used interchangeably.

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Quizplus · Accepted Answer

The Dietary Reference Intakes (DRI) and Recommended Dietary Allowances (RDA) are both part of the DRI system, but they are not the same thing. RDA refers specifically to the daily nutrient intake level that is sufficient to meet the needs of almost all healthy individuals in a particular life stage and gender group, while DRI encompasses a wider range of nutrient intake levels, including the RDA, as well as other reference values such as the Adequate Intake (AI) and Tolerable Upper Intake Level (UL). Therefore, while RDA is a part of DRI, they cannot be used interchangeably.