Male Impotence Cure What Does L-arginine Do For Males?

What does L-arginine do for males? - male impotence cure

What is that L-arginine? That is, in fact for people? Is that a type of protein pill? I've heard that it helps to cure male impotence and premature ejaculation for maintaining an erection. While all this? What is taking the recommended amount to 500 or 1000? Please somebody has taken experienced and answer. Thanks