Testosterone propionate is a type of testosterone and is a synthetic anabolic androgenic steroid. It is a short-estered form and is used by intramuscular injection. It is usually used by athletes and bodybuilders for performance enhancing purposes. The properties of testosterone propionate are as follows:
 
Testosterone propionate is quickly absorbed into the body and shows its effect due to its short ester. Therefore, it has a faster effect than other testosterone esters.
The half-life of testosterone propionate is shorter than other testosterone esters. This means that it requires more frequent injections.

Testosterone propionate increases muscle mass and strength by increasing protein synthesis.
The effects of testosterone propionate may be shorter-lasting than other testosterone esters. Therefore, it may require more frequent injections.

Testosterone Propionate Usage and Dosage:
Testosterone propionate is usually used by intramuscular injection several times a week. Dosage can vary depending on the user's experience level, goals, health status, and other factors. However, a typical starting dose is 50-100 mg per week.