Participants were required to bring their own psilocybin mushrooms. Probably because it can be expensive and difficult for researchers to get obtain and administer pharma-grade psilocybin.
The dose was 0.5g of dried Cubensis mushrooms. Usually a microdose is 0.1-0.2g.
All the participants were healthy volunteers. There may be more noticable effects in people with depression or anxiety disorders, etc. Consider that antidepressants often have no effect in healthy volunteers.
We need better terms for differentiating low doses and true microdosing. Half a gram is certainly a low dose, but I'd expect most people to feel at least some high.
The dose was 0.5g of dried Cubensis mushrooms. Usually a microdose is 0.1-0.2g.
All the participants were healthy volunteers. There may be more noticable effects in people with depression or anxiety disorders, etc. Consider that antidepressants often have no effect in healthy volunteers.