Vilitra 20, which contains vardenafil, can be beneficial for individuals experiencing erectile dysfunction (ED). It helps increase blood flow to the penis, enabling men to achieve and maintain an erection when sexually stimulated. Vilitra 20 typically starts working within 30 to 60 minutes, making it convenient for planned sexual activity. Its effects can last for up to 4 to 6 hours, allowing for flexibility in sexual encounters during that time.