Vidalista 20mg is a PDE-5 inhibitor that has the active ingredient tadalafil. It relaxes muscles and improves blood circulation in the body. The heart pumps more blood to the blood vessels of the penis and this allows noticeable erection and the ability to maintain this erection for up to 36 hours. Vidalista works as a vasodilator and is safe to use and does not need a prescription to buy it. It is a libido enhancer that improves sexual appetite in men. It also increases physical endurance and mental alertness. Vidalista is also known for treating premature ejaculation. It also increases the sensitivity of the penis to sexual intercourse.