Boldenone Undecylenate, widely known by its pharmaceutical brand name Equipoise (EQ), is a long acting synthetic anabolic compound derived from testosterone through a structural modification at the first carbon position. CSD’s formulation supplies 250mg/mL across a 10 x 1mL single use ampoule format; individually sealed, pre measured glass ampoules delivering single use sterility and consistent per dose measurement across the extended administration timelines typical of long acting ester protocols.
The undecylenate ester gives Equipoise a half life of approximately 14 days, placing it among the longest acting injectable anabolic compounds alongside Testosterone Decanoate and Nandrolone Decanoate. This extended active window requires only weekly or twice weekly administration in documented research protocols to maintain stable blood concentration levels, making the single use ampoule format a practical fit. Researchers can work through the 10 ampoule supply over an extended period while maintaining hermetic seal integrity on every individual dose.
Boldenone’s structural relationship to testosterone is worth noting for research context. The addition of a double bond at the first carbon position significantly reduces its rate of aromatization compared to testosterone — estimated at approximately half the estrogenic conversion rate. This partial aromatization profile, combined with its notably long active window and well documented anabolic activity, makes Equipoise a frequently studied compound in comparative androgen research examining the relationship between structural modification, estrogenic conversion, and anabolic activity across testosterone derived compounds.
Every batch of CSD’s Equipoise ampoules 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 our ampoule range provides premium single use packaging across the most in demand injectable compounds. 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 a testosterone base compound and an aromatase inhibitor. Browse CSD’s full injectable range and PCT compounds for complete protocol sourcing.








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