Table 3. Body Composition before and after eight weeks of protein and/carbohydrate supplementation and resistance training. Data are presented as means (±standard deviations).
Variable Group Day 0 Day 57 Test
(p < .05)
Group x Test
(p < .05)
Total Body Mass (kg) HPC 84.28 (12.04) 88.11 (12.15) .001* .076
HC 86.09 (13.50) 87.51 (13.14)
Body Water (kg) HPC 43.64 (3.70) 47.72 (3.02) .001* .030† 
HC 41.58 (2.39) 42.61 (3.83)
Fat Mass (kg) HPC 14.86 (7.68) 16.22 (7.41)
HC 18.94 (9.39) 20.45 (9.73) .001* .701
Lean Mass (kg) HPC 63.01 (6.19) 65.29 (5.82) .068 .134
HC 61.82 (4.28) 62.07 (5.33)
*Denotes a significant increase at Day 57 compared to Day 0.†  Denotes a significant interaction indicating HPC > HC. HPC = high protein + carbohydrate; HC = high carbohydrate