Vidalista 40 is a powerful medication used to treat erectile dysfunction in men. It contains sildenafil citrate, which is a potent inhibitor of the enzyme phosphodiesterase type 5 (PDE5). This enzyme is responsible for the degradation of cyclic guanosine monophosphate (cGMP), which is a chemical that causes the relaxation of the smooth muscles in the penis, leading to an increase in blood flow and an erection. more: https://goodrxmedicins.com/product/vidalista-40/