Naturally High on Testosterone Alpha Male is by far the best natural testosterone booster on the market. This is not a statement to hype up the product. It's based on science and research and has been tried and tested over and over again. It's very rare for customers to come back with reviews stating they were able to double their testosterone in just 6-8 weeks. On average, we see customers increase their testosterone by about 50%. Most importantly, it's not just the total testosterone that sees an increase but the free testosterone, which is the much more important metric. Alpha Male isn't...