History and Usage: Melatonin is a naturally occurring hormone secreted by the pineal gland with potent antioxidant activity and may provide relief for insomnia, jet lag, immune function, high cholesterol, hypertension, anti-aging properties and cardiovascular health. Websites for Further Research:

http://www.nlm.nih.gov/medlineplus/antioxidan...

http://www.cancer.gov/newscenter/pressrelease...