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L-Arginine for Erectile Dysfunction  

L-Arginine is an amino acid that is a key ingredient in sperm formation. It is also a precursor to nitric oxide. Nitric oxide is a vasodilator that dilates arteries and relaxes the inner smooth tissue of the penis, which can often become congested. 


Scientific research has shown that supplementing oral arginine does not usually give good results. It is best to increase the level of arginine in the body itself. This is now the new focus in developing treatment for erectile dysfunction. 


An enzyme called arginase plays the role of a ‘house keeper’ in a series of complex chemical chain reactions during penile erection. Arginase controls the synthesis of arginine. 


When the activity of arginase is high, the level of arginine is low, and vice versa. We can therefore block or limit the activity of arginase to increase the supply of arginine. This helps better penile erection and performance during sexual activity.