Three people each weigh 160 lbs. One of them is very active and is in energy balance at 3,000 kcal/day, a second one is sedentary and consumes 2,000 kcal/day, and a third is dieting and ingests only 1,000 kcal/day. If their protein intakes all met the RDA, would each also meet the protein AMDR?
The RDA for a 160-lb. adult is 58 g. A protein intake of 58 g/day would represent 7.7% of kcal for a 3,000-kcal diet, 11.6% for a 2,000-kcal diet, and 23.2% for a 1,000-kcal diet. So, assuming each person only just met the RDA, the one consuming 3,000 kcal/day would not meet his/her AMDR (10-35%).
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