Related by context. Frequent words. (Click for all words.) 63 psychoactive ingredient 60 psychoactive 58 THC 56 alkaloid 56 active ingredient 55 cannabinoids 55 MDPV 54 alkaloids 54 metabolite 53 naturally occurring substance 52 isomer 51 hallucinogen 51 phenylalanine 51 benzodiazepine 50 depressant 50 theobromine 49 diphenhydramine 49 stimulant 49 Marinol 49 gamma tocopherol 49 nanogram 48 synthetic cannabinoids 48 Capsaicin 48 cannabinoid 48 substances 48 epicatechin 48 neurotransmitter serotonin 47 ascorbic acid 47 Sulfur dioxide 47 hallucinogenic 47 neurotoxic 47 MDMA 47 vasodilator 47 thyroid hormones 47 metabolites 47 ephedrine 47 amphetamine 47 Methyl 47 phenobarbital 47 Ephedrine 47 #.#mg [003] 46 acute toxicity 46 estrogenic 46 MAO B 46 milligrammes 46 oleic acid 46 isomers 46 Buprenorphine 46 neurotoxin 46 docosahexaenoic acid DHA 46 Pseudoephedrine 46 trace amounts 46 Salvia 45 glucocorticoid 45 GHB 45 nanograms per 45 docosahexaenoic acid 45 2C E 45 Opiates 45 decongestant 45 methyl salicylate 45 morphine 45 retinoic acid 45 active metabolite 45 formoterol 45 estrogen hormone 45 bronchodilator 44 prostacyclin 44 riboflavin 44 nanograms 44 toxin 44 vitamin B1 44 female hormone estrogen 44 substance 44 mg ml 44 #mcg [003] 44 opiate 44 allicin 44 opioid 44 digitalis 44 endocannabinoids 44 amphetamines 44 L arginine 44 muscle relaxant 44 nicotine 44 Schedule IV 44 malathion 44 Diazepam 44 platelet aggregation 44 metabolizes 43 acrolein 43 DHEA 43 Salvia divinorum 43 Curcumin 43 excipients 43 dextromethorphan 43 Lidocaine 43 metabolized 43 relaxant 43 Quercetin 43 Amphetamines