. "Summary." Dietary Reference Intakes for Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride. Washington, DC: The National Academies Press, 1997.
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DRI DIETARY REFERENCE INTAKES FOR Calcium, Phosphorus, Magnesium, Vitamin D, and Fluoride
TABLE S-6 Tolerable Upper Intake Levels (ULa), by Life Stage Group
a UL = the maximum level of daily nutrient intake that is likely to pose no risk of adverse effects to members of the healthy general population, Unless specified otherwise, the UL represents total intake from food, water, and supplements.
b The UL for magnesium represents intake from pharmacological agents only and does not include intake from food and water.
c As cholecalciferol. 1 µg cholecalciferol = 40 IU vitamin D.
d ND. Not determinable due to lack of data of adverse effects in this age group and concern with regard to lack of ability to handle excess amounts. Source of intake should be from food only in order to prevent high levels of intake.
