Melatonin is a hormone produced naturally by the pineal gland at the base of your brain. It is produced in different levels throughout the day with peak release between 9 p.m.-12 a.m. and a decrease somewhere after 4 a.m. Melatonin levels will vary among gender, age and health conditions. Melatonin as purchased from health food stores and some pharmacies. Though it is chemically synthesized it is essentially the same molecule found in our bodies. Melatonin has been used in various clinical settings to treat insomnia, jet lag, and sleep/wake cycle problems often called "shift worker's insomnia . Research over the past 10 years has also shown melatonin to have powerful antioxidant, antiviral and antitumor properties..

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