Amanita toxins are a group of poisonous compounds found in certain species of mushrooms, most notably those in the Amanita genus. These toxins are among the most potent natural poisons, responsible for a significant share of mushroom-related fatalities worldwide. The primary toxins in this group include amatoxins, phallotoxins, and virotoxins, with amatoxins being the most toxic and clinically significant.