The wikipedia article for Psilocybin has all of the above.
>Psilocybin [...] is a prodrug that is converted into [...] psilocin [...] This chemical reaction takes place under strongly acidic conditions
And for metabolism
>Psilocin is broken down by the enzyme monoamine oxidase [...] Some psilocin is not broken down by enzymes and instead forms a glucuronide [...] Psilocin is glucuronated by the glucuronosyltransferase enzymes UGT1A9 in the liver, and by UGT1A10 in the small intestine
>Psilocybin [...] is a prodrug that is converted into [...] psilocin [...] This chemical reaction takes place under strongly acidic conditions
And for metabolism
>Psilocin is broken down by the enzyme monoamine oxidase [...] Some psilocin is not broken down by enzymes and instead forms a glucuronide [...] Psilocin is glucuronated by the glucuronosyltransferase enzymes UGT1A9 in the liver, and by UGT1A10 in the small intestine