Drug Testing Policies

Drug Testing has been a top priority with the INBF/WNBF for 30 Years!

The backbone of our reputation is the strict adherence to stringent drug testing.  We place the highest importance on ensuring that athletes are drug-free, so as to ensure fair competition at each and every event Worldwide.
We are proud to announce that we have over 5,000 urine test results
on file in 2019!!INBF WNBF Banned Substance List You Have Been Warned

The use of drugs is strictly prohibited.

All INBF/WNBF athletes must be 10 years drug free of prescription/pharmaceutical hormones on the banned substance list and two years free of over-the-counter hormones, pro-hormones or banned substances listed or their chemical counterparts, unless otherwise noted, prior to their first INBF or WNBF competition.

2019 INBF/WNBF and World Affiliate Banned Substance List

INBF and WNBF steroid and diuretic testing policies and procedures are compliant with the World Anti-Doping Agency (WADA) prohibited list.

**The following list of substances and related compounds are banned by the World Natural Bodybuilding Federation.  Their use constitutes grounds for dismissal from WNBF competitions and suspension from membership privileges in the organization for a period of ten (10) years from the failure date**

Please read all supplement ingredients carefully; athletes are responsible for being vigilant regarding their supplement usage.

NEW AMATEUR COMPETITORS ONLY must have not used any pro-hormones for at least two (2) years before joining the INBF/WNBF for the first time.

This list is effective as of  September 2, 2009

All Anabolic Steroids including, but not limited to:

  • Anadrol
  • Anavar
  • Anderone
  • Andropen
  • 1-Androstendiol
  • 1-Androstendione
  • 4-Androstendiol
  • 4-Androstendione
  • 5-Androstendiol
  • 5-Androstendione
  • Bolazine
  • Bolandiol
    • (19-Norandrostendiol)
  • Bolasterone
  • Boldebal
  • Boldenone– Equipoise
  • Boldione
  • Calusterone
  • Cardarine (PPAR)
  • Chioroxomesterone
    • (dyhdrochlormethyltesterone)
  • Clenbuterol
    -Prescribed and non prescribed clenbuterol usage will carry a two (2) Year ban time Frame for NEW athletes wanting to join the INBF/WNBF.

    • Dilaterol
    • Spiropent
    • Ventipulmin
  • Clomid/Clomiphene
    • (Not allowed for use by men as a form of testosterone therapy, or to simply increase testosterone production even when physician prescribed and monitored).
  • Clostebol
  • Danazol
  • Deca Durabolin
  • Dehydrochlormethyltestosterone
  • Desoxymethyltestosterone
  • Dianabol
  • Dymethazine/azine (DMZ)
  • 5a-Dihydrostestosterone
  • Drostanolone
  • Epitestosterone
    • (masking agent)
  • Equipoise
  • Ethisterone
  • Ethylestrenol
  • Fluoxymesterone
  • Formebolone
  • Formestane
    • (anti-estrogen)
  • Furazabol
  • Halodrol
  • 4-Hydroxy-testosterone
  • Mebolazine
  • Mestanolone
  • Mesterolone
  • Methandienone
  • Methandriol
  • Methyltestosterone
  • Oxandrolone
  • Primobolin
  • Stanozolol
  • Sustanon 250
  • Winstrol
  • Testosterone and related compounds
    • Testosterone Cypionate
    • Testosterone Enanthate


**In any form, including injections, patches, or gels, for any reason, even if physician prescribed, No Exceptions!

The Testosterone/Epitestosterone (T/E) Ratio is used to measure the presence of exogenous testosterone or illicit elevation of testosterone levels.  T/E ratios in excess of 6/1 are ruled as positive, no matter what the cause.
Note:  Should the use of any substance cause a T/E ratio in excess of the 6/1 limit, the athlete will be ruled as positive (failure).

Growth Hormones

  • Pharmaceutical HGH, HCG, and any other related compounds including Insulin-Like Growth Factors
    • IGF-1
    • Somatomedin C
    • Sulfation Factor
    • Oral spray or sublingual GH compounds of pharmaceutical origin (recombinant DNA technology)

Pro-Hormones, Precursors and Metabolites, Derivatives, and Related Compounds

  • 5-Etioallocholen-3b,7b,17b-triol and/or substances similar in structure – January 1, 2019 these substances shall carry a two (2) year ban time frame.
  • Any hormone, including insulin, (injectable, oral, sublingual or otherwise) used for bodybuilding purposes
  • Designer and Pro Steroids are Banned and Carry a 10 Year Ban Time-frame
    • Superdrol
    • Sdrol
    • Ergomax LMG
    • Tren
    • Trena
  • All hormonal precursors and their metabolites and isomers. Use of the following substances requires 90 days (3 Months) of abstinence prior to competing in the INBF/WNBF or affiliate federations for the first time.
    In 2020 these substances/metabolites will carry a one (1) year ban time frame. In 2021 these substances/metabolites will carry a two (2) year ban time frame. NO EXCEPTIONS!

    • DHEA Through 2019 – There shall be a (3) monthamnesty for NEW athletes wanting to join the INBF/WNBF.   Any person supplementing with DHEA and/or it’s metabolites (listed below) are ineligible for 3 months prior to competing with the INBF/WNBF.
    • 7 Keto DHEA Through 2019 There shall be a (3) monthamnesty for NEW athletes wanting to join the INBF/WNBF.   Any person supplementing with 7 Keto DHEA and/or it’s metabolites (listed below) are ineligible for 3 months prior to competing with the INBF/WNBF.
      • 7-ketodehydroepiandrosterone
      • 7-oxodehydroepiandrosterone
      • -hydroxy-DHEA
      • -hydroxy-DHEA

Pro Hormonal Fat Burning Supplements

  • 6 OXO Through 2019 – There shall be a (3) month amnesty for NEW athletes wanting to join the INBF/WNBF.   Any person supplementing with 6 OXO and/or related compounds is ineligible for 3 months prior to competing with the INBF/WNBF.
  • .
    • 6 OXOandrostenetrione
    • 2a,17adimethyl17B-hydroxy5aandrostan3one
    • 3,17ketoetiocholtriene
    • 1,4,6androstatriene3, 17dione
    • 3Alpha (5a-androstane-3a, 17diol)
    • Have been identified as pro-hormonal in nature and are banned.
    • Fat Burning pro-hormone derivatives such as:
    • 317-dihydroxydelta5etiocholane7one (A7D)
    • 317-dihydroxydelta5etiocholane7one diethylcarbonate (A7E), etc are banned
    • 4-Androstene-3,6,17-trione
    • 4-etioallocholen-3,6,17-trione
* The presence of any banned substance in urine (i.e. nandrolone), no matter how it arrived there is ruled as positive (Urine Test Failure)
  • Prescription Thyroid Hormone Medication when used for bodybuilding purposes is banned!

Prescription Diuretics & Masking Agents including, but not limited to:

Any and all prescription diuretics even when doctor prescribed used for bodybuilding purposes are banned for (3) months prior to WNBF competitions.

** If an athlete possesses heart related complications a TUE can be issued for competition.

** Spironolactone that is prescribed for acne MAY NOT be used for 14 days prior to competing in any INBF/WNBF Event, No Exceptions!

  • Acetazolamide
  • Amiloride
  • Bumethanide
  • Bendroflumethiazide
  • Canrenone
  • Chlorthalidone
  • Chlorothiazide
  • Clopaide
  • Cyclothiazide
  • Dichlorphenamide
  • Ethacrynic Acid
  • Furosemide
  • Hydrochlorothiazide
  • Hydroflumethiazide
  • Spironolactone
  • Triamterene
  • Glycerol:  Small amounts of glycerol found in nutritional supplements are not considered banned.

Prescribed and non prescribed clenbuterol usage will carry a two (2) Year ban time Frame for NEW athletes wanting to join the INBF/WNBF.

  • Dilaterol
  • Spiropent
  • Ventipulmin

GHB is banned!


  • Muscle implants of any kind are strictly prohibited
  • Chemicals/Drugs used for the purpose of deceiving or passing the polygraph or urine test are banned!
  • WADA 2019 Prohibited List

Other Anabolic Agents, Hormones and Metabolic Modulators including, but not limited to:

  • 17-androdione
  • Androstene TRIONE
  • 5AD
  • Andrestenediol
  • 19norandrostenedione
  • Androstenolone
  • Androstenedione
  • Androstanolone
  • Arimistane
    • Androsta-3,5-Diene-7,17-Dione
  • Clomid/Clomiphene
    (Not allowed for use by men as a form of testosterone therapy, or to simply increase testosterone production even when physician prescribed and monitored).
  • Trenbolone
  • Testosterone
  • 1-Testosterone
  • Testolactone
    • (anti-estrogen)
  • Stenbolone
  • Stanozolol
  • Quinbolone
  • Prostanozol
  • Probenecid
    • (masking agent)
  • Oxymetholone
  • Oxymesterone
  • Oxandrolone
  • Oxabolone
  • Norethandrolone
  • Norclostebol
  • Norbolethone
  • 19-Norandrostendione
  • 19-Norandrostadiendione
  • Nandrolone
  • Mibolerone
  • Methyltestosterone
  • Methylnortestosterone
  • Methyl-1-testosterone
  • 6-Methylandrostendione
  • Methoxygonadiene
  • Methenolone
  • Methasterone
  • Methandrostenolone
  • Cardarine (Peroxisome Proliferator Activated Receptor δ (PPARδ) agonists, GW 1516)
  • Clenbuterol (Dilaterol, Spiropent, Ventipulmin)
  • Selective Androgen Receptor Modulators (SARMs)
    • Andarine (GSX-007 or S-4)
    • Cardarine (GW-501516)
    • Ligandrol (LGD-4033)
    • Ostarine (GTx-024, MK-2866)
    • Tibolone
    • Zeranol
    • Zilpaterol
    • Other SARMs similar in structure and/or physiological effect
      • ACP-105
      • LGD-3303
      • LG-121071
  • Selective Estrogen Receptor Modulators (SERMs)
    • Raloxifene
    • Tamoxifen
    • Toremifene

Ephedrine, Ephedra, and Stimulants

  • Ephedrine and Ephedra may not have been used for 3 months before joining the INBF/WNBF for the first time

** Due to the abundance of supplements and pre-workout products containing DMAA and/or related compounds, there shall be a 30 day amnesty period before an athlete is eligible to compete in any INBF/WNBF event for the first time.

  • DMAA
  • 1,3-DimethylAmylamine
  • 1,3-DimethylButylamine
    • (4 amino-2-Methylpantane citrate)
  • Dimethylpentylamine
  • Geranium
  • Methylhexanamine
  • Phenethylamine and its derivatives

View WADA Banned Stimulant List

Psychomotor Stimulants

Stimulants/medications prescribed or non prescribed used for bodybuilding and/or weight loss purposes are banned in certain timeframes. Stimulants or medications that produce similar physiological effects even if not expressly listed are prohibited for use.

  • Amphetamines
  • Benzphetamine
  • Bupropion Hydrochloride
  • Cocaine
  • Diethylpropion
  • Dimethylamphetimine
  • Ephedrine
  • Ephedra
  • Liraglutide
  • Lorcaserin
  • Methylenedioxymethamphetamine
  • Naltrexone Hydrochloride
  • Orlistat
  • pMethylamphetamines
  • Phendimetrazine
  • Phentermine
  • Sibutramine
  • Speed
  • Topiramate

Cannabinoids & CBD’s

  • Prohibited for use the day of any INBF/WNBF polygraph examination
  • At this time the INBF/WNBF has not moved toward banning cannabis and/or CBD’s in season.