S1. Anabolic Agents

If a Substance or Method is not defined in this list, please verify with your Anti-Doping Organization.

Anabolic agents are prohibited.

1. Anabolic Androgenic Steroids (AAS)

a. Exogenous* AAS, including:

  • 1-androstenediol (5α-androst-1-ene-3β,17β-diol)
  • 1-androstenedione (5α-androst-1-ene-3,17-dione)
  • 1-testosterone (17β-hydroxy-5α-androst-1-en-3-one)
  • 4-hydroxytestosterone (4,17β-dihydroxyandrost-4-en-3-one)
  • 19-norandrostenedione (estr-4-ene-3,17-dione)
  • bolandiol (estr-4-ene-3β,17β-diol)
  • bolasterone
  • boldenone
  • boldione (androsta-1,4-diene-3,17-dione)
  • calusterone
  • clostebol
  • danazol ([1,2]oxazolo[4',5':2,3]pregna-4-en-20-yn-17α-ol)
  • dehydrochlormethyltestosterone (4-chloro-17β-hydroxy-17α-methylandrosta-1,4-dien-3-one)
  • desoxymethyltestosterone (17α-methyl-5α-androst-2-en-17β-ol)
  • drostanolone
  • ethylestrenol (19-norpregna-4-en-17α-ol)
  • fluoxymesterone
  • formebolone
  • furazabol (17α-methyl[1,2,5]oxadiazolo[3',4':2,3]-5α-androstan-17β-ol)
  • gestrinone
  • mestanolone
  • mesterolone
  • metandienone (17β-hydroxy-17α-methylandrosta-1,4-dien-3-one)
  • metenolone
  • methandriol
  • methasterone (17β-hydroxy-2α,17α-dimethyl-5α-androstan-3-one)
  • methyldienolone (17β-hydroxy-17α-methylestra-4,9-dien-3-one)
  • methyl-1-testosterone (17β-hydroxy-17α-methyl-5α-androst-1-en-3-one)
  • methylnortestosterone (17β-hydroxy-17α-methylestr-4-en-3-one)
  • methyltestosterone
  • metribolone (methyltrienolone, 17β-hydroxy-17α-methylestra-4,9,11-trien-3-one)
  • mibolerone
  • nandrolone
  • norboletone
  • norclostebol
  • norethandrolone
  • oxabolone
  • oxandrolone
  • oxymesterone
  • oxymetholone
  • prostanozol (17β-[(tetrahydropyran-2-yl)oxy]-1′H-pyrazolo[3,4:2,3]-5α-androstane)
  • quinbolone
  • stanozolol
  • stenbolone
  • tetrahydrogestrinone (17-hydroxy-18a-homo-19-nor-17α-pregna-4,9,11-trien-3-one)
  • trenbolone (17β-hydroxyestr-4,9,11-trien-3-one)
  • and other substances with a similar chemical structure or similar biological effect(s).

b. Endogenous** AAS when administered exogenously:

  • androstenediol (androst-5-ene-3β,17β-diol)
  • androstenedione (androst-4-ene-3,17-dione)
  • dihydrotestosterone (17β-hydroxy-5α-androstan-3-one)
  • prasterone (dehydroepiandrosterone, DHEA, 3β-hydroxyandrost-5-en-17-one)
  • testosterone

and their metabolites and isomers, including but not limited to:

  • 3β-hydroxy-5α-androstan-17-one
  • 4-androstenediol (androst-4-ene-3β,17β-diol)
  • 5-androstenedione (androst-5-ene-3,17-dione)
  • 5α-androstane-3α,17α-diol
  • 5α-androstane-3α,17β-diol
  • 5α-androstane-3β,17α-diol
  • 5α-androstane-3β,17β-diol
  • 5β-androstane-3α,17β-diol
  • 7α-hydroxy-DHEA
  • 7β-hydroxy-DHEA
  • 7-keto-DHEA
  • 19-norandrosterone
  • 19-noretiocholanolone
  • androst-4-ene-3α,17α-diol
  • androst-4-ene-3α,17β-diol
  • androst-4-ene-3β,17α-diol
  • androst-5-ene-3α,17α-diol
  • androst-5-ene-3α,17β-diol
  • androst-5-ene-3β,17α-diol
  • androsterone
  • epi-dihydrotestosterone
  • epitestosterone
  • etiocholanolone

2. Other Anabolic Agents, including but not limited to:

  • clenbuterol
  • selective androgen receptor modulators (SARMs, e.g. andarine and ostarine)
  • tibolone
  • zeranol
  • zilpaterol.


For purposes of this section:

* “exogenous” refers to a substance which is not ordinarily produced by the body naturally.

** “endogenous” refers to a substance which is ordinarily produced by the body naturally.

If a Substance or Method is not found, please verify with your Anti-Doping Organization to ensure that this Substance or Method is not prohibited as a related Substance or Method that falls under an existing category.