Arginine is one of the most important amino acids for the human body & is responsible for countless important functions in the body. The consumption of arginine stimulates the circulation in the muscles. More nutrients are stored in the muscles & it provides an enormous pump effect. Taking L-arginine regularly before training can lead to increased, fat-free muscle mass, more strength, stamina & better performance. Taking L-arginine also has a very positive effect on the recovery time for muscles.L-arginine capsules contain high-quality L-arginine hydrochloride & are ideal for providing all the arginine you need.