Too many has been said about Extenze. Reports show that this male sexual enhancement product helps increase the erectile functions of men. It also enhances the sex drives of men. Hmm, interesting. And probably the very reason this product is fast becoming popular is that Extenze claims to increase the penis size. But the question is does Extenze work? Is this product for real? According to its developers, the explanations for all the claims are the herbal extracts contained in the formula of Extenze. These extracts let the blood vessels to relax resulting to harder and longer lasting erections. If the claims were true, Extenze will not only increase the sexual satisfaction of men but also of women, obviously because of the increased size.