Usage: Average dose is 100-300 mg per week. testolic Additional information: Testolic (Testosterone Propionate) 100mg/ml Testosterone Propionate is fast acting as effects begin in only one day. Benefits include muscle mass increases, stength increase, increased training aggressiveness, faster post-training recovery, and low water retention. Although there is a high rate of aromatization, it does not cause gyno as often as other testosterone esters. This is an esterified form of the base steroid testosterone, much like enanthate, cypionate and sustanon 250. It's a superlipophillic, oil-based injectable that slows the release of the steroid into the blood stream. Compared to enanthate and cypionate, propionate is a very short ester and is released quite fast.