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Calcium and Related Nutrients
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In April 1996, the Food and Nutrition Board's (FNB's) Dietary Reference Intake (DRI) Standing Committee established a 9-member Panel on Calcium and Related Nutrients to review the scientific literature and interpret the depth of current knowledge on calcium, phosphorus, magnesium, vitamin D, and fluoride metabolism in humans throughout the life span, and data on intakes in the U.S. population. Such analysis included a review of the metabolism of related nutrients and of non-nutrients, such as phytosterols and fiber, as they relate to bioavailability.
The panel met five times, including once in conjunction with a workshop held to solicit the opinions of experts, practitioners and the public. Based on the analysis of the information, the panel drafted recommendations for nutrient intakes of calcium, vitamin D, phosphorus, magnesium, and fluoride for each stage of the life span, where adequate data were available, and considered the potential for each to be associated with decreased risk of chronic disease. The recommendations of the panel were forwarded to the FNB Committee on Scientific Evaluation of Dietary Reference Intakes and its subcommittees; the Committee on Scientific Evaluation of Dietary Reference Intakes then developed the final report after completing its review.
The report on Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride was released on August 13, 1997.
This report, the first in a series designed to be the new framework for providing guidance to federal agencies about nutrient needs and thus replace the former Recommended Dietary Allowances of the Food and Nutrition Board, analyzes the scientific literature regarding human requirements for calcium, phosphorus, magnesium, vitamin D, and fluoride throughout the lifespan, including the relationship to chronic diseases and data on dietary intake. Where the scientific evidence is sufficient, the report recommends for each nutrient: (1) the recommended dietary allowance, which meets the needs of almost all individuals in the group and is based on estimates of average requirement; (2) an adequate intake, which is expected to meet the needs of almost all individuals in a group but for which estimates of average requirements are not available; and (3) the tolerable upper intake level, which is the maximum intake that is unlikely to pose risks of adverse health effects in almost all individuals in the group.
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Last Updated: 7/16/2003, 01:17 PM
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