Mushroom Vape (Shroom Pen): What's Inside & Lab Test USA: Tobacco Regulation & Legislation Tobacco Insider New state regulations for vape products set to take effect later this year Psychedelic mushroom edibles promise health benefits. Be wary, experts say. The Washington Post The products contain a legal but psychotropic compound produced by the Amanita muscaria mushroom. Vermont's health commissioner said they can cause symptoms like confusion and dizziness.