All batches of product are analysed for the presence of caffeine, theobromine, theophylline, morphine, codeine, oripavine, thebaine, noscapine, papaverine, atropine, hyoscine, hyoscyamine, bufotenine, methylbufotenine, dimethyltryptamine, sparteine, lupinine, ajmaline, cannabinol, cannabidiol, capsaicin, cathinone, cocaine, colchicine, digoxin, digitoxin, dihydrocapsaicin, ephedrine, harmaline, ibogaine, lobeline, nonivamide, pseudoephedrine, quinine, quinidine, reserpine, synephrine, tetrahydrocannabinol, valerenic acid, vincamine and yohimbine, using a documented IEN standard operating procedure (IEN-SOP‐007.01).