Testosterone is a key hormone as it relates to both sexual drive and muscle growth. Testosterone boosters are meant to increase those testosterone levels in the blood. Now while most healthy men under the age of 65 may not need a testosterone boosting supplement, it is true that testosterone levels decrease as we get older. That could lead to a host of things from a loss in muscle mass to problems performing in the bedroom. There are natural testosterone booster, however, and you should consider those to minimize potential side effects.Natural testosterone boosters are fairly inexpensive to begin with and no PCT (post cycle therapy) is needed afterwards. You can find many of them at our shop.