Velofel Magna RX. corresponding to the drug sildenafil citrate (Viagra), L-arginine is idea to augment the movement of nitric oxide, which relaxes muscle groups surrounding blood vessels imparting the penis. for this reason, blood vessels in the penis make bigger, growing blood drift, which aids hold an erection. The contrast in how they paintings is that Viagra blocks an enzyme called PDE5 which removes nitric oxide and L-arginine is used to make nitric oxide. In a have a look at, 50 men with erectile disorder took both five grams of L-arginine each day or a placebo. Following six weeks, extra men in the L-arginine organization had an improvement than those taking the placebo. not like Viagra, L-arginine must be taken each day. So, I think that any