Recommended Dietary Allowances

The Recommended Dietary Allowances (RDA) and the Dietary Reference Intakes (DRI), shown in Table 2-2 and Table 2-3, are the amounts of the vitamins and minerals that a healthy person should eat to meet the daily requirements. Your vitamin and mineral needs can be met by eating a variety of foods. However, if you elect to take vitamin and mineral supplements, you are urged to take only the RDA/DRI amount for each micronutrient (see Chapter 14, page 80). Taking more than the RDA of a micronutrient could lead to toxicity and create deficiencies of other micronutrients.

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