Avana 100 consists of Avanafil, a phosphodiesterase kind five inhibitor used to deal with erectile Erectile dysfunction (shortcoming) in guys. at some stage in ****ual strength, nitric oxide is conveyed in the erectile tissue of the penis, which turns on the impetus guanylate cyclase. This compound paperwork stages of a substance called cyclic guanosine monophosphate (cGMP), which relaxes the veins within the penis and licenses blood to fill the flexible erectile tissues to reason an erection.