For Release
WednesdayJanuary 21, 2026
An estimated 10 million U.S. adults microdosed psilocybin, LSD, or MDMA in 2025, according to a new RAND study.
Drawing on a first-of-its-kind survey, researchers found that microdosing, taking a very small dose without the intention of producing an altered state of consciousness, is common among people who use psychedelics. Among adults who used psilocybin in the past year, approximately two-thirds reported microdosing at least once. Of the more than 200 million days of psilocybin use reported in the past year, nearly half involved microdosing.
As policy conversations about psychedelics become more common, understanding the prevalence of microdosing relative to full-dose use has important implications for public health, research, and policy.
