List and define the major Dietary Reference Intake categories
Dietary References Intakes (DRIs)
DRI for Nutrients
· EAR, Estimated Average Requirement: the amount of a nutrient that is estimated to meet the requirement for the nutrient in half of the people of a specific age and gender. The EAR is used in setting the RDA.
· RDA, Recommended Dietary Allowance: the average daily amount of a nutrient that is sufficient to meet the nutrient needs of nearly all (97–98 percent) healthy individuals of a specific age and gender.
· AI, Adequate Intake: the average amount of a nutrient that appears to be adequate for individuals when there is not sufficient scientific research to calculate an RDA. The AI exceeds the EAR and possibly the RDA.
· UL, Tolerable Upper Intake Level: the maximum amount of a nutrient that is unlikely to pose any risk of adverse health effects to most healthy people. The UL is not intended to be a recommended level of intake.
DRI for Energy and Energy Nutrients
· EER, Estimated Energy Requirement: the average calorie intake that is predicted to maintain energy balance in a healthy adult of a defined age, gender, weight, height, and level of physical activity, consistent with good health.
· AMDR, Acceptable Macronutrient Distribution Range: a range of intakes for a particular energy source (carbohydrates, fat, protein) that is associated with a reduced risk of chronic disease while providing adequate intakes of essential nutrients.
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