Trenbolone is a strong androgen that is devoid of estrogenic activity. The first preparation containing Trenbolone to catch the attention of the American bodybuilding community was Finajet, a veterinary preparation introduced in the 1980's in U. S. and Europe (as Finaject) y the drug firms Hoechst and Roussel. Finaject or Finajet contained 30mg/ml of this acting acetate ester of trenbolone. After some time trenbolone acetate had reemrged in the USA, first in the form of Finaplix cattle implant pellets and more recently as the injectable Trenabol.
Structure of Trenabol (Trenbolone acetate). Structurally Trenabol is a 19-nor steroid, being derived from the anabolic nandrolone. In additional two alterations however (c0 and c11 double bonds) make trenabol very different in appearance than its parent nandrolone. First, as mentioned estrogenic activity has been eliminated. This is a result of the c 9-10 double bond, which occupies a bond that would be necessary for aromatization of the A ring to be possible. The fact that Trenabol does not convert to estradiol therefore remains to be a significant differece between the two steroids.
Parabolan is trenbolone cyclohexylmethylcarbonate. The half-life of a steroid ester is mostly dependent on its ratio of fat solubility to water solubility: the longer chain the ester, the higher this ratio, and the longer the half-life. This particular carbonate could be most closely compared with an enanthate ester; the half-life is probably a little less than week.
An amp of Parabolan (Trenbolone cyclohexylmethylcarbonate)) is comparable only to 58 mg of Trenbolone acetate. (The acetate is a little more potent, more effective per milligram, because the acetate ester is lighter and therefore a higher percentage of the weight is Trenbolone.)
The properties of Parabolan are the same as Trenbolone acetate (Finaject) except for longer half life. While Finaject itself is no longer available, in some cases injectable preparations from Finaplix have been made. The substance is the same: Trenbolone acetate.
There is no evidence in the literature, nor I think practical evidence, that Trenbolone acetate has a "special role" in burning fat. Rather, it is an extraordinarily potent AAS, being about three times as effective per milligram as testosterone esters. For this reason, any property which anabolic steroids have, Trenbolone acetate will demonstrate more strongly per milligram.
LATSModerator / FOUNDING Member / NPC Judge
