Some psilocin is not broken down by enzymes .
Some psilocin is not instead forms a glucuronide ; this is a biochemical mechanism animals use to eliminate toxic substances by linking them with glucuronic acid , which can then be excreted in the urine .
Some psilocin is not broken down by enzymes and instead forms a glucuronide ; this is a biochemical mechanism animals use to eliminate toxic substances by linking them with glucuronic acid , which can then be excreted in the urine .