by Bill Roberts - This oral anabolic-androgenic steroid (AAS) is actually a prodrug of boldenone. It is the exact same molecule, but with a cyclopentenyl ether modification at position 17 (recall that injectable AAS often use ester modifications at 17). This allows for some degree of oral effectiveness. The prodrug is not active until it is converted to the parent drug in the body, by removal of this group.

Quinbolone is not very potent (effective per milligram) compared to injected boldenone undecylenate (Equipoise), which itself is not particularly potent. Contrary, however, to the claim in World Anabolic Review, this compound should aromatize comparably to Equipoise, based on its chemical structure. However, I know of no athletes who use it, so I cannot say that this is demonstrated.

Quinbolone is the chemical name of active ingredient in Anabolicum Vister. Anabolicum Vister was a registered trademark of Parke Davis (Italy) in the United States and/or other countries prior to cancellation.

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