Vigora 100 mg Oral Jelly is a prescription medicine used to treat Erectile Dysfunction (ED) in men. It works by improving blood flow to the penis, helping men get or keep an erection. It belongs to a group of medicines called PDE5 inhibitors. The key point is that Vigora Oral Jelly only works when you are sexually aroused. You can take Vigora 100 mg Oral Jelly with or without food, about 1 hour before sexual activity. It usually starts working in 30 to 60 minutes, but this may vary from person to person. This medicine is meant only for men with ED and should not be taken if you do not have this condition.