The use of Vigora 100 has improved the sex lives of many people. Take Vigora 100 Mg only once a day, otherwise you will have to be admitted to the hospital. Tadalafil acts as an active ingredient in Vigora 100mg, a prescription drug. If you are also suffering from a serious problem like impotence and are looking for a cure for it, Vigora 100 is the best option. Vigora 100 is widely used.