Testosterone Undecanoate (Test U)
These are similar to the natural male hormone, testosterone. It works by replenishing the deficient testosterone levels in adult men. Lack of testosterone may cause various health problems including impotence, infertility, low sex drive, tiredness, depressive mood and bone loss. Testosterone Suspension. This type of testosterone contains no ester and is known among bodybuilders as a “potent mass agent.” This water-based testosterone is said to be the most powerful injectable steroid available, producing very quick muscle mass and strength.
