Created at	Source	Raw Value	Validated value
Oct. 26, 2020, 11:31 p.m.	usa	- severe chronic liver disease - severe chronic kidney disease or requiring dialysis - pregnancy or breast feeding. - allergy to the study medication - currently taking melatonin - currently taking high dose (>500 mg/day) vitamin c	- severe chronic liver disease - severe chronic kidney disease or requiring dialysis - pregnancy or breast feeding. - allergy to the study medication - currently taking melatonin - currently taking high dose (>500 mg/day) vitamin c