PDE5 Inhibitors work by increasing the effects of nitric oxide (NO). A chemical that the body naturally releases when it is s*xually aroused or when it is doing certain bodily processes. Cyclic gu...

PDE5 Inhibitors work by increasing the effects of nitric oxide (NO). A chemical that the body naturally releases when it is s*xually aroused or when it is doing certain bodily processes. Cyclic gu...


