Here are the banned NGA substances
NGA BANNED SUBSTANCES
The National Gym Association, Inc. (NGA) bans the following substances and related compounds and their use constitutes grounds for dismissal from NGA competitions and suspension from membership in the organization.
ANABOLIC STERIODS - Includes but not limited to bolasterone, boldenone, chloroxomesterone(dhydrochlormethyltestero ne), clostebol, fluoxymesterone, mesterolone, methandienone (methandrostenolone), methenolone, methyltestosterone, nandrolone, norethandrolone, oxymetholone, stanozolol, testerone and all other related compounds.
TESTOSTERONE. (injections, patches, gels).
GROWTH HORMONES. (Pharmaceutical hGH, HCG and other related compounds).
PRESCRIPTION DIURETICS. (Fen-Phen and any other prescription weight-loss substances used for bodybuilding purposes, even when physician-prescribed, are banned by the NGA)
PERSCRIPTION PSYCHOMOTOR STIMULANTS. (example: Amphetamines).
MUSCLE IMPLANTS OF ANY KIND.
CHECMICAL/DRUGS FOR THE PURPOSE OF DECEIVING OR PASSING THE POLYGRAPH TEST.
CLENBUTEROL
ANY ILLEGAL OR ILLICIT BODYBUILDING DRUG OR SUBSTANCE.
ANY FDA-BANNED SUBSTANCE EXCEPT IF OTHERWISE INDICATED.
ANY IOC-BANNED SUBSTANCE EXCEPT IF OTHERWISE INDICATED.
Note: DHEA, Androstenedione, Norandrostenedione, and all other Hormone Precursors are not banned by the NGA. However these substances may cause an elevated T/E ratio in excess of the 6:1 limit or produce the presence of nandrolone or any other banned substance in the urine. If the promoter opts to enforce a urine sample for testing, the athlete is responsible for any and all substances that may cause a positive in a urine test.