아무도 논의하지 않는 비아그라의 현명한 비법

Possibly Viagra’s closest cousin, Levitra usually takes a solid hour to kick in and lasts around 4 hrs. It’s about as productive as sildenafil when it comes to raising your sail, although reports have revealed Levitra is more strong and more selective than sildenafil at inhibiting PDE-5, meaning the drug does an improved career of going blood t