Melatonin is a hormone that is endogenously produced in the human body. Its production is inhibited by exposure to light, while it is enhanced by exposure to darkness. Melatonin helps reduce the time it takes to fall asleep* and alleviates the subjective feeling of jet lag**.
* The beneficial effects are ensured by consuming 1 mg of melatonin before bedtime.
** The beneficial effects are ensured by the minimum intake of 0.5 mg of melatonin before bedtime, on the first day of travel and for a few days after arriving at the destination.