Extenze is an all natural penis enhancement pill, so there aren't any side effects. But, as always, make sure you check with your doctor before you try any new pill.
If you are in the market for a penis thickening pill, check out Extenze free! Try it for free, and if you don't like it, or if the results aren't what you expect, you didn't lose anything. Even if you do buy Extenze and after a while aren't satisfied, they offer a 100% money back guarantee!