Test Infusion is an all-natural combination of proven ingredients designed to dramatically increase your testosterone levels and the amount of free testosterone in your system. This formula is the most intense natural test booster you will find on the market today. We carefully selected only ingredients that have been studied and proven to naturally boost your test levels to peak performance levels. Test Infusion is a serious natural testosterone booster that can be used alone or in PCT to raise natural test levels, as well as support your liver, heart, and prostate*. This product is HPLC tested for potency and purity in an FDA inspected facility.