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Steroids / 19-nortestosterone derivatives

324 In the index

Trenbolone Tren

An extremely powerful steroid approved only for use in cattle farming, never approved for people. There's no legitimate human research on it; bodybuilding-community reports describe strong muscle-building effects along with frequent reports of heart strain, disrupted sleep, and mood or psychological side effects.

Also known as Trenbolone base, 17beta-Trenbolone, Trienbolone, (+)-Trenbolone, 17-beta-Trenbolone, Trenbolonum, 17-beta-Hydroxyestra-4,9,11-trien-3-one, RU 2341

Effects Build muscle Lose fat
Routes Injectable
Legal status Controlled substance
WADA Banned at all times

3D Molecular Structure of C18H22O2

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  • Carbon
  • Hydrogen
  • Oxygen

Chemistry

Formula
C18H22O2
Molar mass
270.4
CAS
10161-33-8
PubChem CID
25015
IUPAC name
(8S,13S,14S,17S)-17-hydroxy-13-methyl-2,6,7,8,14,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-3-one
InChIKey
MEHHPFQKXOUFFV-OWSLCNJRSA-N

Reported dosing

User-reported

What has been reported in the literature and by users. This is a record of what is done, not a recommendation.

Typical dose 200-400 mg/week
Reported range 100-700 mg/week
Route Intramuscular injection
Frequency Once or twice weekly (or every other day for the fast-acting acetate ester)
Duration 6-10 week cycles (unregulated use)

An extremely potent steroid approved only for cattle farming (as Finaplix), never approved for human use. No legitimate human research exists; bodybuilding-community reports describe strong muscle-building effects along with frequent reports of heart strain, disrupted sleep, and mood/psychological side effects at these doses.

Where this comes from Veterinary pharmacology data; user-reported/bodybuilding literature

There is no approved human dosing for this compound. The figures above are what users and vendors report, not what has been established as safe or effective. Treat them as a record of what is done, not as guidance.

Variants

Name Abbr Route Notes
Trenbolone acetate Tren A Injectable Short ester, daily or every-other-day injections.
Trenbolone enanthate Tren E Injectable Long ester version, twice weekly.
Trenbolone hexahydrobenzylcarbonate Para Injectable The Parabolan ester, long-acting.