Amanita muscaria [Fresh mushrooms] - How to Drugs Amanita Muscaria The local A. muscaria here is very toxic, causing mostly sweating and nausea, while the local A. pantherina is nearly side effect free and very psychedelic. The entheogenic constituents of Amanita muscaria extracts are ibotenic acid, muscamol, and possibly muscazone, according to Ott. Dosage 20 grams of your cooked shroom is what you need. Erowid Psychoactive Amanitas (A. muscaria & A. pantherina) … Amanita muscaria - an overview | ScienceDirect Topics Amanita Muscaria