Table 1.

Dietary intake data for the diet and supplement groups

Variable	Group	0	Week 10	14	p-value
Energy Intake (kcals/d)	HC-GCM	2,356 ± 690	1,906 ± 571	2,001 ± 241	D = 0.08
	HC-P	1,760 ± 695	1,689 ± 439	1,837 ± 617	S = 0.64
	HP-GCM	1,775 ± 424	1,398 ± 411	1,441 ± 295	T = 0.06q
	HP-P	1,696 ± 361	1,562 ± 165	1,903 ± 274	T × D = 0.80
	HC	1,987 ± 730	1,768 ± 475	1,896 ± 503	T × S = 0.18
	HP	1,746 ± 377	1,459 ± 333	1,614 ± 358	T × D × S = 0.94
	GCM	2,046 ± 610	1,623 ± 527	1,690 ± 390
	P	1,741 ± 593	1,651 ± 372	1,857 ± 521
	Mean	1,886 ± 605	1,638 ± 439†	1,778 ± 459
Carbohydrate (g/d)	HC-GCM	342 ± 103	228 ± 87	248 ± 57	D = 0.02
	HC-P	189 ± 82	218 ± 70	238 ± 117	S = 0.94
	HP-GCM	191 ± 65	125 ± 61	151 ± 38	T = 0.015 q
	HP-P	216 ± 39	143 ± 106	269 ± 58	T × D = 0.63
	HC	245 ± 115	221 ± 72	241 ± 96	T × S = 0.07
	HP	200 ± 55	132 ± 76	196 ± 84	T × D × S = 0.12q
	GCM	256 ± 11	171 ± 87†	194 ± 67
	P	197 ± 71	196 ± 84	247 ± 100†
	Mean	226 ± 94	184 ± 85†	222 ± 88
Protein (g/d)	HC-GCM	88 ± 24	81 ± 22	75 ± 20	D = 0.22
	HC-P	76 ± 24	77 ± 16	79 ± 22	S = 0.97
	HP-GCM	79 ± 4	101 ± 31	83 ± 14	T = 0.019q
	HP-P	63 ± 11	133 ± 70	76 ± 11	T × D = 0.017q
	HC	80 ± 23	77 ± 16	78 ± 20	T × S = 0.35
	HP	73 ± 10	113 ± 47†	80 ± 13	T × D × S = 0.19q
	GCM	83 ± 16	92 ± 28	80 ± 16
	P	72 ± 21	94 ± 44	78 ± 19
	Mean	77 ± 19	93 ± 37†	79 ± 17
Fat (g/d)	HC-GCM	78 ± 24	78 ± 24	82 ± 10	D = 0.25
	HC-P	70 ± 39	59 ± 18	62 ± 19	S = 0.26
	HP-GCM	79 ± 21	52 ± 21	59 ± 22	T = 0.085q
	HP-P	65 ± 32	53 ± 6	63 ± 8	T × D = 0.50
	HC	73 ± 33	65 ± 20	69 ± 19	T × S = 0.85
	HP	74 ± 24	53 ± 16	60 ± 18	T × D × S = 0.33
	GCM	79 ± 21	63 ± 23	69 ± 21
	P	63 ± 35	60 ± 15	62 ± 16
	Mean	73 ± 29	60 ± 19†	65 ± 18

Data are means ± standard deviations. HC = high carbohydrate diet, HP = high protein diet, GCM = glucosamine/chondroitin/MSM group, P = placebo group, FFM = fat free mass, REE = resting energy expenditure, D = diet, S = supplement, T = time. q = quadratic alpha level. † Indicates p < 0.05 difference from baseline.