Psilocybin Mushrooms vs Amanita

Urgent first. Eating a wild mushroom or a mushroom product can cause poisoning. If someone has severe drowsiness, confusion, vomiting, seizures, slowed breathing or collapse, call 911 (US) or your local emergency number. US Poison Help is 1-800-222-1222. See plant and mushroom poisoning. This page cannot tell you whether any mushroom is safe, and a photo or a name is never a safety assurance. It is information only: no amounts, foraging, preparation or sourcing advice.

Evidence labels used here: approved medicine, promising but limited, insufficient evidence, evidence of harm, marketing claim. Where we looked and found nothing usable, we write "Proper evidence not found."

Definitions

• Psilocybin mushrooms is a common-language group of fungi whose members contain psilocybin; the compounds typically occur in most species of the genus Psilocybe. [1] The body converts psilocybin into psilocin. [2] A well-known species name, Psilocybe cubensis, is an accepted name in the GBIF taxonomy. [3]
• Amanita muscaria (fly agaric) is a different fungus in a different family (Amanitaceae). [4] It contains ibotenic acid and muscimol. [5]

These are not interchangeable. Species and common names do not tell you what a particular mushroom or product contains. See species identification and naming limits.

Side-by-side

What research shows

• Psilocybin, depression: promising but limited. In a 104-person trial psilocybin reduced depression scores more than niacin, with more adverse events. [9]
• Amanita muscaria: Proper evidence not found for benefit in people. What exists is toxicology: a 2025 review and case reports describe it as an uncommon but clinically important cause of mushroom poisoning, with a highly variable toxic profile. [10]

Risks

• Psilocybin. NIDA says psilocybin has low toxicity, typically raises blood pressure and heart rate, and can cause unpleasant experiences. [2] No data exist on safety in pregnancy. [2]
• Amanita muscaria. Two elderly spouses who prepared it at home had rapid-onset stomach symptoms, profound central nervous system depression and cholinergic features, needing intensive care and atropine. Both recovered. [10] Content varies: reviews note differences between species, tissues, drying and heating, and say total dose, preparation and individual susceptibility matter. [5]
• Products. US poison-center data for 2023 to 2024 covered 362 mushroom edible exposures (containing Amanita muscaria, psilocybin or unspecified). Effects were unpredictable, polysubstance exposure raised admission rates, and no deaths were reported. [11] In an Oregon test of eight gummies, the two said to contain Amanita muscaria showed no ibotenic acid or muscimol but did contain psilocin; one labeled psilocybin-free contained psilocybin, and another contained undisclosed THC. [12] Labels cannot be trusted as proof of content.

Legal note

Laws change and this is not legal advice. In the United States, psilocybin and psilocin appear in Schedule I of 21 CFR 1308.11 (read 2026-10-22). [8] We did not find Amanita muscaria, muscimol or ibotenic acid in that list. State and other-country rules were not verified. See legal status by country.

No universal winner

Neither is "the safer mushroom." They are different organisms with different chemistry and risks. Full guides: Amanita muscaria, psilocybin mushrooms and Amanita muscaria, muscimol and ibotenic acid.