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The World Anti-Doping Agency makes its stance on this issue loud and clear. If you compete in an organization that abides by WADA, it’s up to you to know the truth.

Examples of substances that are prohibited in sport that could be found as contaminants in supplements.

Note: the list of substances prohibited by WADA (the World Anti-Doping Agency can be viewed at www.wada-ama.org)

• 1, 3 chlorophenyl piperazine Carteolol
• 1,4 methoxy phenyl piperazine Carvedilol
• 1,4 trifluoromethylphenyl piperazine Cathine
• 4-methylmethcathinone Cathinone
• Acebutolol Celiprolol
• Acetazolamide Chlorothiazide
• Alfentanil Chlorphentermine
• Alprenolol Chlorthalidone
• Amphetamine Cimaterol
• Amfetaminil Clenbuterol
• Amiloride Clobenzorex
• Aminoglutethimide Clomiphene
• Aminorex Clopamide
• Amiphenazole Cloranolol
• Anastrozole Clorprenaline
• Androstanediol Codeine
• Androstenediol (multiple isomers) Cocaine
• Androstanedione CP47497 (synthetic-cannabinoid)
• Androstenedione (multiple isomers) Cropropamide
• Androstadienedione Crotethamide
• Atenolol Cyclopentamine
• Bambuterol Cyclothiazide
• Beclomethasone Cyproheptadine
• Bemegride Desonide
• Bendroflumethiazide Desoximethasone
• Benzoylecgonine Desoxyephedrine
• Benzphetamine Dexamethasone
• Benzthiazide Dextromoramide
• Benzylpiperazine Dextropropoxyphene
• Betamethasone DHEA
• Betaxolol Diamorphine
• Bisoprolol Diethylpropion
• Bitolterol Diethyltryptamine
• Budesonide Dihydrocodeine
• Bumetanide Dihydrocodeninone
• Bunitrolol Dihydromorphine
• Bupranolol Dipipanone
• Buprenorphine Diprenorphine
• Buprenorphine-nor Dobutamine
• Bupropion Dopexamine
• Butofilolol Doxapram
• Canrenone Efaproxiral
• Carazolol Esmolol
• Carbuterol Etafedrine
• Carfentanil Ecstasy (MDMA)
• Carphedone Eetamivan
• Ephedrine Mefruside
• Ethacrynic acid Mephentermine
• Ethiazide Mepindolol
• Ethylmorphine Mesocarb
• Etilefrine Metaproterenol
• Exemestane Methadone
• Famprofazone Methadone metabolite EDDP
• Fenbutrazate Methamphetamine
• Fencamfamine Methazolamide
• Fenfluramine Methyclothiazide
• Fenfluramine - N-desethyl Methylaminorex
• Fenoterol Methylephedrine
• Fenozolone Methylhexaneamine
• Fentanyl Methylphenidate
• Fludrocortisone Methylprednisolone
• Fludroxycortide Methyltrienolone
• Flumethasone Metolazone
• Fluocinolone acetonide Metoprolol
• Fluocinonide Modafinil
• Fluocortolone Modafinil acid
• Fluorophenethylamine Moprolol
• Fluoxetine Morphine
• Fluprednisolone Nadolol
• Fluvoxamine Nadoxolol
• Formoterol Nalbuphine
• Furosemide Nalorphine
• Gestrinone Naloxone
• Heptaminol Naltrexone
• HMA Nandrolone
• HMMA Nebivolol
• HU-210(synthetic-cannabinoid) Nifenolol
• Hydrochlorthiazide Nikethamide
• Hydrocodone Norandrostenedione (multiple isomers)
• Hydromorphinol Octopamine
• Hydromorphone Orciprenaline
• Indapamide Oripavine
• Isoflupredone Oxilofrine
• Isometheptene Oxprenolol
• Leptazol Oxycodone
• Letrozole Oxymetazoline
• Levophacetoperane Oxymorphone
• Mabuterol
• Meclofenoxate
• Mefenorex
• Isoprenaline Sibutramine
• JWH-018 (synthetic-cannabinoid) Sotalol
• Labetalol Spironolactone
• Papaverine Stanozolol
• Pemoline Strychnine
• Penbutolol Sufentanil
• Pentazocine Synephrine
• Pentoxyverine Tenamfetamine (MDA)
• Pethidine Terbutaline
• Phencyclidine Testosterone
• Phendimetrazine Tetrahydrogestrinone
• Phenmetrazine Tiletamine
• Phentermine Timolol
• Phenylephrine Torasemide
• Pindolol Toremifene
• Pipradol Tranylcypromine
• Pirbuterol Triamcinolone
• Piretanide Triamcinolone acetonide
• Polythiazide Triamterene
• Practolol Trichlormethiazide
• Prednisolone Tripamide
• Prednisone Tuaminoheptane
• Probenecid Tulobuterol
• Prolintane Xipamide
• Propranolol Xylometazoline
• Prostanozol Zeranol
• Prothipendyl
• Pseudoephedrine
• Quinethazone
• Raloxifene
• Remifentanil
• Reproterol
• Rimiterol
• Ritodrine
• Salbutamol
• Salmeterol
• Selegiline

Please note: this list is not exhaustive. New threats to sport are continually making an appearance; hence any testing will be reviewed on an ongoing basis and new substances added as needed.