Table 2.

Macronutrients of 3-day run-in on day 1–3 and metabolic infusion study on day 4

Group	Macronutrients
		Run-in foods on day 1–3
		Protein		Fat		CHO
Activity/Protein levels	Energy intake, kcal	g	%	g	%	g	%	Fiber, g
X
MP	2,541 ± 103	84.5 ± 4.6	13.0 ± 0.5	100.3 ± 4.3	34.8 ± 0.3	337.5 ± 13.3	52.2 ± 0.3	29.7 ± 0.9
HP	2,575 ± 107	85.0 ± 4.7	12.9 ± 0.4	101.7 ± 4.1	34.9 ± 0.2	342.2 ± 14.4	52.2 ± 0.3	29.9 ± 1.0
R
MP	2,549 ± 146	82.4 ± 6.2	12.6 ± 0.3	100.3 ± 5.4	34.8 ± 0.2	341.9 ± 19.0	52.6 ± 0.2	29.7 ± 1.2
HP	2,589 ± 83	83.3 ± 6.5	12.5 ± 0.3	102.0 ± 6.0	34.8 ± 0.1	347.3 ± 19.9	52.7 ± 0.2	29.9 ± 1.2

	Interventional foods of metabolic infusion study on day 4
			Meal Macronutrients, g			Nonprotein Energy, %
Sex n (X/R)/Protein Levels	Meal, kcal	Beef protein, g	Protein	Fat	CHO	Fat	CHO
M 12 (8/4)
MP	1,297	21.1	44.1	76.2	107.3	61.1	38.2
HP	1,301	52.7	70.0	68.9	95.3	60.8	37.3
F 11 (4/7)
MP	1,101	21.1	39.7	64.2	89.0	61.4	37.8
HP	1,103	52.7	65.7	56.9	77.1	60.9	36.7

Values are expressed as means ± SE. Each subject consumed his or her respective interventional foods based on their sex; n = number of subjects. X, exercise group; R, resting group; MP, low protein; HP, higher protein; M, male; F, female; CHO, carbohydrate.