Related by context. Frequent words. (Click for all words.) 67 ephedrine 67 Pseudoephedrine 60 cough syrups 57 Diazepam 56 Amphetamines 56 stimulant 55 Creatine 55 amphetamine 54 decongestant 54 Ephedra 54 contain pseudoephedrine 54 cough suppressant 54 appetite suppressant 54 pseudoephedrine 53 Diuretics 53 Paracetamol 53 Ketamine 53 Nandrolone 53 Amphetamine 53 Sudafed 53 Sibutramine 52 banned substance 52 Clenbuterol 52 dextromethorphan 52 decongestants 52 stimulants 51 Buprenorphine 51 substances 51 hydrochloride 51 Clonazepam 51 DXM 50 Alprazolam 50 diphenhydramine 50 hydrocortisone 50 Opioids 50 BZP 50 Niacin 50 anabolic steroids 50 masking agent 50 active ingredient 50 alkaloids 50 Painkillers 50 flavor enhancer 50 creatine 50 anabolic steroid 49 precursor chemicals 49 narcotic 49 androstenedione 49 Cocaine 49 Codeine 49 Prednisone 49 syabu 49 Modafinil 49 Acetaminophen 49 Naproxen 49 Hydrocodone 49 amphetamines 48 Capsaicin 48 muscle relaxant 48 ephedra 48 sibutramine 48 Medications 48 Phentermine 48 drugs 48 methylamphetamine 48 hydroquinone 48 Oxycodone 48 Finasteride 48 alkaloid 48 paracetamol 48 Marinol 47 stanozolol 47 Methamphetamine 47 Human Growth Hormone 47 Ammonium nitrate 47 Mephedrone 47 cough syrup 47 Hydroxycut 47 charas 47 Heroin 47 Lidocaine 47 Oxycontin 47 snake venom 47 ketamine 46 Methadone 46 allergy medications 46 Sildenafil 46 salbutamol 46 psychotropic substances 46 banned substances 46 Orlistat 46 diuretic 46 methamphetamines 46 Subutex 46 containing pseudoephedrine 46 phenylephrine 46 Aspartame 46 narcotic pain 46 codeine 46 Metformin 46 hallucinogen