Syvoghalvtreds procent (57%) af dosen genfindes i urinen i form af 5- oxo- zaleplon og dets glukuronide stofskifteprodukt, og yderligere 9% genfindes som 5- oxodesethylzaleplon og dets glukuronide stofskifteprodukt.
Fifty-seven percent (57%) of the dose is recovered in urine in the form of 5-oxo-zaleplon and its glucuronide metabolite, an additional 9% is recovered as 5-oxo-desethylzaleplon and its glucuronide metabolite.