Psilocybin Mushrooms vs Truffles
Psilocybin mushrooms and so-called magic truffles are different parts of related fungi. This page compares what they are, what is known about contents, and where evidence is missing.
Content last updated . This page has not been medically reviewed.
Urgent first. For suspected poisoning from any mushroom or product, call 911 or US Poison Help at 1-800-222-1222. For a mental health crisis in the US, call or text 988.
This page is education only. It does not help anyone identify, find, grow or prepare fungi, and no photo or name can show that a fungus is safe.
Two names, two parts of related fungi
"Magic mushrooms" is the common name for fungi that contain the active substances psilocybin and psilocin. [1] The fruiting body is the part most people call the mushroom. "Magic truffles" are a different part: the sclerotia of some of these fungi. [1] In plain terms, a sclerotium is a compact mass of fungal tissue, different from the fruiting body. "Truffle" here is a nickname; the research papers use the word sclerotia.So the comparison is mostly one of plant-part and name, not of a separate drug. Species and product names also do not settle what is inside. For one profile see psilocybin truffles.
What they have in common
Psilocybin and psilocin, with related compounds, typically occur in most species of the genus Psilocybe, and the sclerotia of some of these fungi are the ones sold as magic truffles. [2] After psilocybin is eaten, the body converts it to psilocin. [3] For that link see psilocybin vs psilocin.What measurements show, and their limits
| Question | What we found |
|---|---|
| Mushrooms: how variable is content? | In one analysis of cultivated Psilocybe cubensis, alkaloid concentrations in individual fruiting bodies were highly variable, and stipes held about half the alkaloids of caps, though that difference was not statistically significant. [2] |
| Truffles: what was measured? | One laboratory report tested Psilocybe sclerotia and detected only psilocybin, not psilocin, with content that varied across samples. [1] |
| Which has more? | Proper evidence not found. We found no study that compares the two under one method, so no ranking is possible. |
Each result applies only to the samples tested. Species, strain, storage, processing and the lab method all change a result, so one number must never be applied to another sample.
Evidence in people
Evidence labels used here: promising but limited, insufficient evidence, Proper evidence not found.Clinical studies use pure psilocybin rather than whole mushrooms or sclerotia. A 2021 paper noted that only the pure form had been given in clinical studies, while sclerotia were of growing interest for microdosing research. [2] We searched PubMed for head-to-head human studies of mushrooms and truffles and did not find one: Proper evidence not found. Safety data from therapy trials of psilocybin, such as headache, nausea and raised blood pressure, do not transfer to unlabeled fungi. [4]
Quality and labeling
Content is unpredictable in either form, as above. A product label or name is not evidence of content.Legal status
Not legal advice; laws change. A 2013 laboratory report said Psilocybe sclerotia were not specifically named in the laws on the sale and use of psilocybin and the mushrooms that contain it, in the setting it described. [1] That is dated and applies to that setting, so do not treat it as current law anywhere. The US federal list we read names psilocybin and psilocyn in Schedule I. [5] We did not verify how any country treats sclerotia today. See plant vs compound and mushroom vs sclerotium distinctions in law and psychedelic legal status by country.Related guides
Psilocybin mushrooms, Psilocybe species directory.Frequently asked questions
Are magic truffles a different drug from magic mushrooms?
The sources describe them as different parts of related fungi that both carry psilocybin. [1]
Which is stronger?
We do not rank or compare strength. Content varies within each form and no study compares them under one method. [2]
Are truffles safer?
No source we read shows that. Safety data come from trials of pure psilocybin in supervised settings. [4]
Are truffles legal where mushrooms are not?
A 2013 report described a gap in some laws, but laws change and we have not verified current rules. [1]
References
- Pellegrini M et al. Magic truffles or Philosopher's stones: a legal way to sell psilocybin? Drug Test Anal. 2013;5(3):182-185. Read 2026-10-22 (abstract on PubMed).
- Gotvaldova K et al. Stability of psilocybin and its four analogs in the biomass of the psychotropic mushroom Psilocybe cubensis. Drug Test Anal. 2021;13(2):439-446. Read 2026-10-22 (abstract on PubMed).
- Dinis-Oliveira RJ. Metabolism of psilocybin and psilocin: clinical and forensic toxicological relevance. Drug Metab Rev. 2017;49(1):84-91. Read 2026-10-22 (abstract on PubMed).
- Yerubandi A et al. Acute Adverse Effects of Therapeutic Doses of Psilocybin: A Systematic Review and Meta-Analysis. JAMA Netw Open. 2024;7(4):e245960. Read 2026-10-22 (abstract on PubMed).
- US Electronic Code of Federal Regulations, 21 CFR 1308.11 Schedule I. Read 2026-10-22.