Testosterone Cypionate is a long acting single ester testosterone compound with a half life of approximately 8–12 days, providing stable and predictable blood concentration levels well suited to research protocols requiring infrequent administration. This formulation delivers 250mg/mL in a 10mL multi dose vial using MCT (medium chain triglyceride) oil as the carrier base. Chosen for its exceptionally low viscosity, clean composition, and well documented tolerability profile that makes it one of the most comfortable carriers available for higher concentration injectable formulations.

The combination of Testosterone Cypionate’s long active window and MCT oil’s low viscosity is a practically relevant pairing at 250mg/mL. Higher concentration formulations can present increased resistance with heavier oil carriers, making MCT oil a preferred choice for researchers prioritizing administration comfort without compromising compound delivery. The result is a high concentration testosterone formulation that draws and administers smoothly; a meaningful consideration in protocols involving repeated long term administration.

CSD’s Testosterone Cypionate range spans multiple carrier options and concentrations including a 200mg/mL grapeseed oil variant and a 175mg/mL MCT oil formulation. This 250mg/mL MCT formulation represents the highest concentration option in the Cypionate range, allowing for the lowest injection volume per dose while maintaining the same pharmacokinetic profile across all variants. Researchers comparing options within the range will find the base compound and half life consistent regardless of carrier or concentration selection.

Every batch of CSD’s Testosterone Cypionate is third party lab tested for concentration accuracy and purity, with COA results included with the product and full documentation available on request. Canada Steroid Depot has supplied Canadian customers with consistently verified, accurately dosed injectables for years, and our Testosterone Cypionate range remains among our most reordered products. All orders ship discreetly across Canada in plain, unmarked packaging with no identifying information on the exterior.

Store at room temperature away from direct light and heat. Do not freeze. Intended for research purposes only.

Commonly researched alongside an aromatase inhibitor. Browse CSD’s full injectable testosterone range and PCT compounds for complete protocol sourcing.