Testosterone Suspension is the most powerful and pure form of testosterone available. Being pure testosterone, it comes with a very short half life at as little as two hours and therefore requires regular injections to maintain blood levels. For this reason it is not as widely used as the more common ester forms of testosterone which can be injected much less frequently. Testosterone Suspension Cycle Guide This form of testosterone is not an ester, but is a water based derivative of testosterone. Esters are oil-based and the difference here is that testosterone suspension has a short half life with the downside of needing more regular injections to keep up your concentrations of the compound. But this comes with the major benefit that it is taken in rapidly by the muscles. What is Testosterone Suspension? This is a potent and powerful type of testosterone and does have a popular following amongst some bodybuilders due to the fast results that are possible, but m...