CAS No.: 73-31-4
Melatonin also known chemically as N-acetyl-5-methoxytryptamine,is a naturally occurring hormone found in animals and in some other living organisms, including algae. Circulating levels vary in a daily cycle, and melatonin is important in the regulation of the circadian rhythms of several biological functions. Many biological effects of melatonin are produced through activation of melatonin receptors,while others are due to its role as a pervasive and powerful antioxidant with a particular role in the protection of nuclear and mitochondrial DNA.
Products containing melatonin have been available as a dietary supplement in the United States since 1993. Foods may contain trace amounts of melatonin, but no food has been found to elevate plasma melatonin levels. Over-the-counter sales of the hormone remain illegal in many other countries, and the U.S. Postal Service lists melatonin among items prohibited by Germany.
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