Enerzad (L-Arginine L-Aspartate) Enerzad is unique formula (L-Arginine L-Aspartate) in Egyptian market. Enerzad is the supporting role in female fertility. Enerzad improve ovarian response. Enerzad improve endometrial receptivity. Enerzad improve pregnancy rates. Endometrial growth and uterine blood flow: a pilot study for improving endometrial thickness in the patients with a thin endometrium Mechanism of Action of L-arginine on the Vitality of Spermatozoa is Primarily Through Increased Biosynthesis of Nitric Oxide EFFECT OF ARGININE ON OLIGOSPERMIA