Male free and total testosterone levels can decline with aging, for a variety of reasons, however, if you’re already feeling more sluggish than you used to, are experiencing decreased male performance, and have found that your testosterone to estrogen balance needs to be managed in more detail, you can start by trying GAT Sport TESTROL GOLD ES. Getting older doesn’t have to stop you...pop these early in the morning and go about your day. Stack with NITRAFLEX for the ultimate workout!