Get rid of junk food and eat a well balanced diet with plenty of lean meat and fruit and veg. Try and eat as naturally from the earth as you can and avoid too many processed foods. L-arginine, however, another staple ingredient on most (2)penile enlargement pills, can be a precursor of nitric oxide supplements, which is known as the erection compound. Nitric oxide is important to widen the veins inside your penis, allowing more blood to penetrate to chamber of spongy erectile tissues. Studies show that L-arginine might help improve cardiovascular health. As you may know, a proper heart means better erections. Sperm may be found in the "dewdrop" of the liquid that one produces when excited, but there may be sperm before he ejaculates.