SubEx

Psychedelic · C₁₂H₁₇N₂O₄P

Psilocybin

The compound in magic mushrooms. Two late-stage depression trials have read out, and it is still Schedule I with no approved use.

Findings
2
Best evidence
★★☆
Open questions
0

At a glance

Myth check

"Psilocybin is basically FDA-approved now" / "it's essentially legal" — a belief plausibly reinforced by heavy 2025-2026 news coverage of Compass Pathways' two positive Phase 3 trials, an April 2026 White House executive order fast-tracking psychedelic drug review, FDA priority vouchers issued days later, and new state medical-psilocybin programs in Oregon, Colorado, and New Mexico.

Psilocybin remains a Schedule I controlled substance under the federal Controlled Substances Act with no FDA-approved medical use anywhere in the US as of August 2026. What has actually happened: Compass Pathways' synthetic psilocybin (COMP360) met its primary endpoint in two Phase 3 trials for treatment-resistant depression (COMP005, COMP006, both company press releases pending independent peer review), and the company is pursuing a Q4 2026 NDA submission under an FDA priority voucher — but any resulting approval would apply only to that specific proprietary drug/protocol, not to psilocybin generally or to mushrooms. Separately, three states (Oregon, Colorado, New Mexico) run their own state-regulated programs, but these operate outside, and in legal tension with, federal law; they are not FDA drug approvals and do not change psilocybin's federal status. Even the most rigorously blinded psilocybin RCT to date (Mertens et al. 2026, EPISODE trial) did not meet its own primary efficacy endpoint, underscoring that the evidence base, while genuinely promising, is not as uniformly settled as the momentum narrative suggests.

The gap is regulatory precision, not direction: real momentum (two positive Phase 3 readouts, an executive order, FDA priority vouchers, state programs) is being popularly compressed into 'basically approved/legal,' when federally psilocybin is still Schedule I, is not an approved treatment anywhere in the US, and any future FDA approval would be narrow — one company's specific drug and protocol — not blanket legalization, a green light for general/recreational use, or an endorsement of unregulated mushrooms.

The findingsStrongest first
1
OtherIn 2026 the research supply grew and two reviews were sped up

An April 2026 executive order told federal agencies to prioritise psychedelics, the FDA put two psilocybin programmes on its fastest review track, and the research quota rose.

★★☆Single study — solid evidence, such as one good trial or a large observational dataset, but not replicated at the top tier.None of it changes what psilocybin legally is. An executive order can tell agencies to move faster without approving a drug or shifting its legal class. A priority voucher shortens the review clock for two companies' own applications. The quota governs what may be manufactured for research, not what anyone may possess. The state programmes run in tension with federal law rather than replacing it.Click to keep this open
2
OtherNone of the news has made psilocybin legal

Psilocybin stays Schedule I under US federal law and no psilocybin product is approved anywhere in the country. Any approval would cover one company's compound.

★★☆Single study — solid evidence, such as one good trial or a large observational dataset, but not replicated at the top tier.Breakthrough designation and a priority voucher mean regulators think a candidate is worth handling quickly; neither says anything about whether it will be approved. Oregon, Colorado and New Mexico run programmes under state law that sit in tension with the unchanged federal classification rather than overriding it, the same standoff as state cannabis. The account of federal status here comes from a law firm's client advisory drawing on the statutes and agency records, not from a government filing.Click to keep this open
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