Melatonin: A powerful antioxidant for sleep, preventing disease and so much more . AUTHOR Dr. Terri DeNeui, DNP, APRN, ACNP-BC CATEGORY Melatonin SOCIAL @EVEXIASMEDICAL The hormone melatonin has long been touted for supporting a good nights sleep but does it really work? And do the benefits of melatonin stop there? If better sleep, immune system support, preventing disease or weight loss matter to you, understanding how this powerhouse antioxidant works could set the stage for better health. Along with supporting the body’s circadian rhythm, research suggests melatonin may help ward off inflammation, obesity and diseases such as cancer, diabetes, heart disease and more. Let’s take a deeper dive into how melatonin works (for sleep and disease prevention) and a closer look at melatonin supplements (dosage, side effects, etc.).