Description HCG PEN – 15000IU/PEN (3ML PREFILLED PEN) – NEW HCG (Human Chorionic Gonadotropin) is a hormone naturally produced In medical use, it’s given as an injection to treat certain fertility issues in both men and women. In women, it helps trigger ovulation, while in men it can stimulate testosterone production and support sperm development.   EACH CLICK CONTAINS 44.3IU OF HCG ( HUMAN CHORIONIC GONADOTROPIN). ENTIRE PEN CONTAINS 338 CLICKS.