Melatonin is commonly known as the sleep hormone, but did you know that it's also important for immune functions, fat burning and more? Learn more about why it's important to have sufficient levels of melatonin from Amanda Williams, MD, MPH. Take advantage of an exclusive podcast offer today by visiting http://www.invitehealth.com/podcast. For more information on the products or studies mentioned in this episode, as well as a complete transcript of the audio, click here.