Ultra Test (Cypionate 80%/Propionate 20%) 200mg/mL, 10mL Vial.

Testosterone propionate is a fast-acting, shot ester (Only 3 Carbon Atoms C3H5O2), oil-based injectable testosterone. Maximum Plasma concentration is achieved in a few hours post-injection. Testosterone propionate presents the shortest elimination half-life of 2 days among all testosterone esters.  Testosterone Cypionate is a longer-ester chain (8 Carbon Atoms C8H14O), half-life is one of the longest 8 days. Typically takes about 1-2 days for the levels to reach steady state. Recommended formula has the following benefits over single Test. Ester formula: 1.  Mixture of Propionate/Cypionate provides the benefit of short and long-acting Testosterone esters to prevent serum/ plasma level fluctuations. 2. When levels are consistently maintained with in therapeutic index maximum clinical outcome can be seen without a "Roller Coaster" effect that predominately includes variations in libido, sexual function, energy, and mood.