Ultra T-Booster is backed by proven herbal science with research to back it up. This has combined to create a completely natural supplement than can help you get over your low testosterone. Pro Testosterone was created by expert herbalists, combining ingredients long-used for their ability to address symptoms associated with low testosterone. Because the supplement is all natural, there are no side effects or downside to using this supplement. All you’ll get is the enhanced sense of well-being that comes with getting your testosterone levels back on track.