Endurance training and L-arginine intake: Their effect on antioxidant indices in the heart muscles of rats.

One of the side effects of doing sports activities is the increase of free radicals and oxidative stress. The present study aimed to investigate the effect of 8 weeks of increasing endurance training with L-arginine supplementation on oxidative indices in the cardiac organ of male Wistar rats. 32 male Wistar rats were divided into four groups control, L-arginine, endurance training, and L-arginine plus endurance training.