Vidalista 40 is a popular drug because it efficiently treats erectile dysfunction in men. Tadalafil is the primary ingredient in Vidalista 40. This medication relaxes the blood vessels in the penile, making it easier to get and keep an erection. The time it takes for a supplement to start working, however, might vary based on several factors, such as metabolism and whether or not food is consumed at the same time as the supplement. Following the advice given by your healthcare provider is essential for the best results. Vidalista 40 typically has a take it of 30-60 minutes.