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BPK 110 (61)
Chapter 2

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Simon Fraser University
Biomedical Physio & Kines
BPK 110
Diana Bedoya

CHAPTER 2 DIETARY REFERENCE INTAKES (DRIs) Dietary reference intakes (DRIs) – recommended amounts of energy, nutrients, and other foods component that are necessary to reduce chronic disease risk, promote general health and minimize symptoms of deficiency. Example: How much ____ should I be getting? - Varies by age and gender  Same in Canada and US  Can compare the dietary intake of Canadians to DRIs to access our nutritional status as a country. THE 4 DRIs  Estimated Average Requirements (EARs) – amount of nutrients that satisfies 50% of the population.  Recommended Dietary Allowance (RDAs) – amount of nutrients that satisfies 97% of the population.  Adequate Intakes (AIs) – goal amount of nutrient because no RDA exists.  For nutrients we don’t necessarily need but improves health.  Upper Limit (ULs) – highest amount nutrients you can take without majority of the population going into toxicity. RECOMMENDATIONS FOR ENERGY INTAKE Estimated Energy Requirement (EERs) – Average energy intake values predicted to maintain body weight in healthy individuals.  Dependent on age, gender, weight, height, and level of physical activity.  Men = 662 - (9.53 x age [y]) + PA x { (15.91 x weight [kg]) + (539.6 x height [m]) } Acceptable Macronutrient Distribution Ranges (AMDRs) – recommended intake of carbohydrate, fat, and protein in a healthy diet.  Protein 10% – 35%  Fat 20% – 35%  Carbohydrates 45% – 65% RECOMMENDATIONS FROM CANADA’S FOOD GUIDE  Fruit
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