The following substances and related compounds are banned by the International Natural Bodybuilding & Fitness (INBF) Federation and their use constitutes grounds for dismissal from INBF Competitions and suspension from membership privileges in the organization.

ANABOLIC STEROIDS. Including but not limited to bolasterone, boldenone, chioroxomesterone (dyhdrochlormethyltesterone), clostebol, fluoxymesterone, mesterolone, methandienone, methyltestosterone, nandrolone, norethandrolone, oxandrolone, oxymetholone, stanozolol, testosterone and all other related compounds.

TESTOSTERONE (injections, patches, gels) in any form or for any reason.

TESTOSTERONE/EPITESTOSTERONE RATIO The T/E ratio is used to measure the presence of exogenous testosterone, or illicit elevation of testosterone levels. A T/E ratio in excess of 6/1 is ruled as positive, no matter what the cause. Note: Should the use of any substance cause an elevated 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). Oral, spray or sublingual GH compounds are banned effective January 1, 2001.

HORMONES AND ALL PRECURSORS & METABOLITES The use of any hormone (injectable, oral, sublingual or otherwise) for bodybuilding purposes – including insulin – is strictly prohibited. All hormonal precursors (DHEA, androstenedione, 19-norandrostenedione, androstenediol, 5-AD, etc.) are banned effective January 1, 2000. Prescription Thyroid hormone medication when used for bodybuilding purposes is banned. Pro-Steroids (1-Test), etc. are banned effective January 1, 2000. The presence of any banned substance in the urine (i.e., nandrolone, etc.), no matter how it arrived there, is ruled as a positive (failure).

PRESCRIPTION DIURETICS. Any and all prescription weight-loss substances and diuretics, used for bodybuilding purposes, even when physician-prescribed, are banned by the INBF.

EPHEDRINE AND ITS RELATED COMPOUNDS are banned effective July 1, 2004.

PSYCHOMOTOR STIMULANTS.

MUSCLE IMPLANTS OF ANY KIND.

CHEMICALS/DRUGS FOR THE PURPOSE OF DECEIVING OR PASSING THE POLYGRAPH TEST.

CLENBUTEROL AND GHB (since 1992).

ANY ILLEGAL OR ILLICIT BODYBUILDING DRUG OR SUBSTANCE.

ANY FDA-BANNED SUBSTANCE EXCEPT IF SPECIFICALLY OTHERWISE INDICATED.

ANY IOC-BANNED SUBSTANCE EXCEPT IF SPECIFICALLY OTHERWISE INDICATED.