Were you looking for information about Melatonin? Melitonin is a common misspelling of melatonin.
Melatonin is a hormone that is found in supplements used for treating sleep disorders. It is also supposedly helpful for preventing cluster headaches, migraines, and Alzheimer's disease. Most melatonin supplements available on the market today are synthetic versions of the naturally occurring hormone. Potential side effects include nausea and vomiting, daytime drowsiness, dizziness, and headache.
(Click Melatonin to read the complete eMedTV article, which includes information on other possible melatonin uses, how the hormone works to regulate sleep, and what you should know before starting treatment.)