Arginine retards tumor growth by enhancing immune function. Arginine increases the size and activity of the thymus gland , which produces T-cells. Large doses of arginine can lower polyamines, which are present in various cancers in elevated levels. Liver Disorders . Arginine aids in liver detoxification by neutralizing ammonia, and may benefit in the treatment of liver disorders such as liver injury, hepatic cirrhosis, and fatty liver degeneration.
Arginine facilitates a reduction in body fat, while increasing lean muscle mass.
Body Building . More than fifty research studies reportedly support the value of arginine supplementation for athletes. Creatine is derived from arginine, as are guanidophosphate and phosphoarginine, all of which have roles in muscle metabolism. After a vigorous workout, the body has increased testosterone and HGH production for a period lasting approximately two hours. During this timeframe, dietary arginine and ornithine can contribute to a hormonal environment that produces increased protein synthesis and muscle growth.