The medication Cenforce 100 is used to treat male erectile dysfunction. Sildenafil, an ingredient in this jelly, helps men achieve a strong erection during sexual activity so they can enjoy it for an extended period of time. View our store's Cenforce 100 side effects . This medication takes 6 hours to take effect. Follow your doctor's advice when taking this medication. Only men over the age of 18 should consume this jelly.