What is Vidalista tablet? vidalista 40 mg is a enhancer for men. The active ingredient in tablet is Tadalafil, which is a PDE5 inhibitor. Tadalafil works by relaxing the muscles and increasing blood flow to the body, which helps men achieve and maintain an erection. manufactured by Centurion Laboratories and is available in 10mg, 20mg, 40mg, and 60mg tablets.