Men frequently take Vidalista 40 to treat erectile dysfunction (ED). Erectile dysfunction is the inability to obtain or maintain an erection powerful enough for sexual participation. Tadalafil, the main component of Vidalista 40, inhibits phosphodiesterase type 5 (PDE5).
When a guy is sexually aroused, nitric oxide is released, which in turn boosts the production of cyclic guanosine monophosphate (cGMP). Erections happen when cGMP relaxes the smooth muscles in the penile region, increasing blood flow to the area. However, phosphodiesterase type 5 degrades cGMP, making it more difficult fo
