Frequently asked questions about the Vigxex Male Enhancement supplement Is this formula natural? It seems so. However, the FDA has not evaluated the Vigxex Male Enhancement Testosterone Booster, and its website says so. So there is no way to really know if all the ingredients are natural or not. How much is Vigxex Male Enhancement? A good penny. The total price of Vigxex Male Enhancement seems to be around US $ 90. And they have a test in progress, which we will see below.