Short-acting testosterone formulations are frequently used in performance enhancement due to their rapid androgen elevation, quick strength increase, competition-week effectiveness, and highly responsive intramuscular pharmacodynamics. This detailed scientific review compares Testosterone Suspension (ester-free testosterone) and Testosterone Propionate across pharmacokinetics, pharmacodynamics, clinical onset times, biological activity, receptor behavior, and hormonal stability, supported by modern endocrine research. […]

