Men with erectile dysfunction can take Vidalista 40 mg. The main component is tadalafil. During sexual arousal, it increases blood flow to the male genital organ in order to sustain an erection. Tadalafil enhances blood flow to the male genital organ during sexual arousal in order to sustain an erection. Observe your physician's advice regarding the amount and timing of usage. It can be taken with or without food. It works over the next 36 hours and helps the man have better sex. In this way, the medication helps men have healthy sexual lives and improves relationships with others.