we categorized participant responses of psilocybin dosage into low, medium, and high microdoses corresponding to ≤ .1 grams dried mushroom, 0.1–0.3 grams dried mushroom, ≥ 0.3 grams ...

When micro dosing mushrooms ... In these studies, participants are administered one-tenth of a dose of psilocybin (a microdose) compared to what would cause a hallucinogenic effect.

Psilocybin is illegal in the US federally and ... so I knew it was important to scrutinize the product I would use and the size of the micro-, or even nano-, dose I would take, specifically ...

In the trials, about half of the participants initially received a large dose of psilocybin while the rest were given either vitamin B3 or a tiny dose of the psychedelic drug as a placebo.