Testosterone Cypionate & Decanoate Blend delivers 250mg/mL of total testosterone across two precisely matched long acting esters: 125mg/mL Testosterone Cypionate and 125mg/mL Testosterone Decanoate in a single 10mL multi dose vial. This equal ratio dual ester formulation is designed to leverage the complementary half life profiles of both compounds within one administration.
The rationale behind this specific combination is grounded in ester pharmacokinetics. Testosterone Cypionate carries a half life of approximately 8–12 days, while Testosterone Decanoate extends to approximately 15 days — the longest of any single testosterone ester. By combining these two in equal measure, the blend establishes an initial release curve from the Cypionate component while the Decanoate fraction sustains elevated levels well beyond what either ester would maintain alone. The result is a formulation with a broader and more sustained active window than a single long ester testosterone, without the complexity of a four ester blend like Sustanon.
This positions the Cypionate & Decanoate blend as a distinct research tool from both CSD’s single ester testosterone formulations and the multi ester Sustanon offering sitting between the two in terms of release complexity while maintaining the simplicity of a two compound system. Researchers examining prolonged testosterone exposure or comparing dual versus single ester pharmacokinetics will find this a useful reference formulation.
Every batch of CSD’s Testosterone Cypionate & Decanoate Blend is third party lab tested for concentration accuracy and purity prior to release, with COA documentation available on request. Canada Steroid Depot has supplied Canadian customers with consistently verified, accurately dosed compounds for years, and this blend represents one of the more specialised formulations in our injectable testosterone range. All orders ship discreetly across Canada in plain, unmarked packaging.
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.
