L-Arginine For Erections

L-Arginine is used to make the nitric oxide, a compound in the body that relaxes blood vessels. Preliminary studies have found that L-arginine may help with conditions that improve when blood vessels are relaxed (called vasodilation), such as atherosclerosis, erectile dysfunction, and intermittent claudication.

L-Arginine produces a natural growth hormone, thus helping to increase the erect size of the erectile tissue in the penis. It has also been successful in improving fertility in men by increasing low sperm count and motility.

L-arginine has been used for erectile dysfunction. Like the drug sildenafil citrate (Viagra), L-arginine is thought to enhance the action of nitric oxide, which relaxes muscles surrounding blood vessels supplying the penis. As a result, blood vessels in the penis dilate, increasing blood flow, which helps maintain an erection. The difference in how they work is that Viagra blocks an enzyme called PDE5 which destroys nitric oxide and L-arginine is used to make nitric oxide.

In one study, 50 men with erectile dysfunction took either 5 grams of L-arginine per day or a placebo. After six weeks, more men in the L-arginine group had an improvement compared to those taking the placebo.

Possible Side Effects
L-arginine may affect blood pressure and blood sugar levels. Therefore, if you have a history of heart disease or diabetes you should not use this supplement without supervision from a doctor.

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