The hormone melatonin, taken as a sleep aid by millions, has not been scientifically proven either effective or safe, specialists said today at a conference at the National Institutes of Health. Researchers at the conference said publicity had created a brisk market even as scientists scramble to determine if it has serious side effects. "We are going at it backwards," said Dr. Robert Sack of the Oregon Health Sciences University. "People are taking it and we are trying to figure out what it does.http://www.elitedepot.com/Source-Naturals-Melatonin-1mg-Sublingual-Orange-300-tabs_p_5326.html
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