"A wide range of illicit drugs are acquired from the Netherlands to transport to the UK via a range of means," says Saggers. "We are aware of the psilocybin tolerance chart trade from the Netherlands of mushrooms and truffles containing psilocybin. However, current intelligence suggests that this is sporadic, on a small scale, and not facilitated by organized criminal networks." Information about the average length of the reports should be included. Prepared in an ISO Class 5 Cleanroom for contamination-free research of our mushroom spores. “How much do shrooms cost?” It’s a question that pops up all over Internet forums. Experienced mycologists know where to find mushrooms growing wild, and purists will argue you can just grow your own shrooms—but some myco-curious folks would simply rather know where to buy shrooms and how much they cost, especially if they’re new to psychedelics.