Testosterone Cypionate is a long acting single ester testosterone compound with a half life of approximately 8–12 days, making it one of the most stable and predictable testosterone formulations available for research purposes. This formulation delivers 200mg/mL in a 10mL multi dose vial using grapeseed oil as the carrier base; a light, low viscosity oil with excellent tolerability and oxidative stability, well suited to long acting testosterone formulations requiring a clean, refined carrier.

The cypionate ester produces a marginally longer half life than Testosterone Enanthate due to the additional carbon in its ester chain, though both compounds share a broadly similar release curve and are frequently used interchangeably in clinical and research literature. At 200mg/mL this formulation offers a lower concentration than CSD’s 175mg/mL MCT oil Testosterone Cypionate variant. Worth noting for researchers calibrating injection volumes within their protocols, as the higher concentration allows for reduced administration volume per dose while maintaining equivalent compound delivery.

Grapeseed oil as a carrier provides meaningful practical advantages for a compound administered on a weekly or twice weekly basis. Its lower viscosity relative to cottonseed and sesame oil results in smoother draw and administration, and its natural composition avoids the sensitivity considerations occasionally associated with synthetic carriers. For long term research protocols involving repeated administration, carrier tolerability is a relevant selection variable that grapeseed oil addresses well.

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.