Hi, Thanks for posting in HCM. I understand your concern. There are many supplements which has been tried to improve sperm count and quality. When they are taken in appropriate doses, they should not cause any side effects. One such compounds used is Lecithin, which is chemically a phospholipid. Such compound help by providing essential nutrients and having anti-oxidant function to effectively improve sperm quality and quantity. The other compounds advised to be supplemented along with include: Carnitine, Lipoic acid, CoQ10, Arginine, Vitamin E, Selenium and Zinc. Hope the information provided would be helpful. All the best.