Trenbolone enanthate

Trenbolone enanthate
Clinical data
Routes of
Intramuscular injection
CAS Number 1629618-98-9
PubChem (CID) 20112041
ChemSpider 16788271
Chemical and physical data
Formula C25H34O3
Molar mass 382.544 g/mol
3D model (Jmol) Interactive image

Trenbolone enanthate (nickname Trenabol), or trenbolone heptanoate, also known as 19-nor-δ9,11-testosterone 17β-enanthate or as 19-norandrost-4,9,11-trien-17β-ol-3-one 17β-enanthate, is a synthetic, injected anabolic-androgenic steroid (AAS) and derivative of 19-nortestosterone (nandrolone) that was never marketed.[1][2] It is the C17β enanthate ester and a long-acting prodrug of trenbolone (19-nor-δ9,11-testosterone).[1] Trenbolone enanthate is used in scientific research[3][4] and has been sold on the internet black market as a designer steroid for bodybuilders.[5]

See also


  1. 1 2 William Llewellyn (2011). Anabolics. Molecular Nutrition Llc. pp. 724–. ISBN 978-0-9828280-1-4.
  2. Underground Anabolics. Molecular Nutrition Llc. pp. 120–. ISBN 978-0-9828280-7-6.
  3. Dalbo VJ, Roberts MD, Mobley CB, Ballmann C, Kephart WC, Fox CD, Santucci VA, Conover CF, Beggs LA, Balaez A, Hoerr FJ, Yarrow JF, Borst SE, Beck DT (2016). "Testosterone and trenbolone enanthate increase mature myostatin protein expression despite increasing skeletal muscle hypertrophy and satellite cell number in rodent muscle". Andrologia. doi:10.1111/and.12622. PMID 27246614.
  4. Ye, F., McCoy, S. C., Yarrow, J. F., Conover, C. F., Beck, D. T., Beggs, L. A., ... & Tillman, M. D. (2013). Effect of Trenbolone enanthate on protein degradation in levator ani/bulbocavernosus (LABC) muscle in orchiectomized rats. The FASEB Journal, 27(1 Supplement), 939-15.
  5. El Osta R, Almont T, Diligent C, Hubert N, Eschwège P, Hubert J (2016). "Anabolic steroids abuse and male infertility". Basic Clin Androl. 26: 2. doi:10.1186/s12610-016-0029-4. PMC 4744441Freely accessible. PMID 26855782.

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