Tadarise 40 is one of the best drugs used for erectile dysfunction in men. Tadalafil is the current active ingredient contained in this pill. These pill phosphodiesterase inhibitors acting on the PDE-5 enzyme are responsible for reducing blood flow to the penile area, so they no longer have sex with their partner. Therefore causes impotence. But this pill increases blood flow to the penis so you can have better and longer sex with your sex life partner!!