Testosterone propionate 100 is an injectable anabolic steroid, which is manufactured by Sciroxx and containing Testosterone propionate with ester added. According to medical science, Testosterone propionate is a manufactured as an oil-based injectable Testosterone compound. In fact, it is said that this substance is the main male androgen in the body and is responsible for producing mainly male sexual features. Today, it is a popular injectable steroid in the bodybuilding community and a maximum number of bodybuilders and athletes prefer to use this compound for enhancing the muscular structure and gain volume. However, Testosterone propionate by Sciroxx generally comes in 10 ml vial.