Melatonin is a hormone product by the pineal glad of mammals and reaches peaks levels at night. Studies show that it may be associated with the regulation of the sleep/wake cycle. Melatonin is a potent antioxidant that defends against free radicals and helps to support glutathione activity in the neural tissue. This melatoninis provided in convenient, peppermint-flavored lozenges. When dissolved in the mouth, melatonin may go directly to the brain and bypass the liver causing it to work quickly and effectively.