Formulations What forms of testosterone-replacement therapy are available. The disadvantage is Stanozolol a man needs to come in every few weeks to get a shot. A roller-coaster effect can also occur Winstrol pills blood testosterone levels peak and then return to baseline. Topical therapies help maintain a more uniform level of blood testosterone. The first form of topical therapy was a patch, but it has a very high rate of skin irritation, Winny. That limits its use. The most commonly used testosterone preparation in the United States and the one I start almost everyone off with is a topical gel.