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the claim
Microdosing LSD reduces symptoms of ADHD in adults.
the verdict
REFUTED
the evidence says no
Recorded sources
1 source for · 2 against
Is it true that Microdosing LSD reduces symptoms of ADHD in adults?
No. A Phase 2A randomized placebo-controlled trial found no significant benefit of LSD microdosing over placebo for adult ADHD symptoms, and a 2026 systematic review of five studies concluded the strongest controlled evidence does not demonstrate drug-specific efficacy. Uncontrolled naturalistic reports of symptom improvement are attributed to expectancy and self-selection rather than the drug.
Verdict: REFUTED · 1 source for, 2 against · Last checked
Evidence for · 1
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Haijen, E. C., Hurks, P. P., & Kuypers, K. P. (2024). Effects of psychedelic microdosing versus conventional ADHD medication use on emotion regulation, empathy, and ADHD symptoms in adults with severe ADHD symptoms: A naturalistic prospective comparison study. doi.org. https://doi.org/10.1192/j.eurpsy.2024.8
Evidence against · 2
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Microdosing of LSD does not show efficacy in adults with ADHD. (2025). doi.org. https://doi.org/10.1002/pu.31324
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More against · 1
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J, C., A, M., & D, K. (2026). The Use of Psychedelics in the Treatment of Adult ADHD: A Systematic and Mechanistic Review.. doi.org. https://doi.org/10.3390/ijms27083453
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