Fig. 4From: Effect of whey vs. soy protein supplementation on recovery kinetics following speed endurance training in competitive male soccer players: a randomized controlled trialChanges in reduced glutathione (a), total antioxidant capacity (b) and protein carbonyls (c) levels. a denotes a significant difference with pre in placebo trial at P < 0.05. b denotes a significant difference with pre in whey trial at P < 0.05. c denotes a significant difference with pre in soy trial at P < 0.05. ‡ denotes a significant difference between soy and placebo trial within time-point at P < 0.05Back to article page