New Study Finds Testosterone Cypionate Steroid Course Positively Impacts Muscle Growth and Performance Frank "Sirswift" Hernandez2023-11-21T09:20:53-05:00 Testosterone cypionate is a synthetic form of testosterone, which is New Study Finds Testosterone Cypionate Steroid Course Positively Impacts Muscle Growth and PerformanceFrank "Sirswift" Hernandez2023-11-21T09:20:53-05:00