Like a mushroom-shaped power-up boost in your favorite video game, the Buy microdose mushrooms sold by DC vendors promise a variety of mind-altering experiences. From a calm and focus-boosting “microdose” to an extended psychedelic trip, they claim to offer everything from improved productivity to increased creativity, better sex and even spiritual growth. The popularity of these edibles has coincided with a new wave of interest in psychedelics, which are getting mainstream attention from investors, scientists and doctors. But the major sources of drug use data have big gaps when it comes to psychedelics, making it difficult to gauge consumption trends. Two reports out this week provide some much-needed insight, suggesting that the public’s psychedelic preferences are shifting in interesting ways.

Psilocybin-containing mushrooms are gaining the most traction among psychoactive users, eclipsing MDMA or ecstasy and LSD in popularity. And many of these users are electing to microdose, consuming a fraction of the typical dose and thus avoiding the potentially traumatic effects of a full trip.

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While the mushrooms themselves aren’t addictive, they do create physiological tolerance and can produce a range of side effects including nausea, vomiting and drowsiness. They also interact with certain medications, such as antiretrovirals and SSRIs (though it takes several pounds of shrooms to reach toxicity levels that would require emergency medical treatment). The drug’s decriminalization in Denver and Oakland has spurred more people to seek out a legal source, but it remains illegal to sell or grow the plant under any circumstances. And without regulated mushroom sales, it’s difficult to control quality and dosage.