by Dr. Joseph Mercola STORY-AT-A-GLANCE While most well-known as a natural sleep regulator, melatonin also has many other important functions. It boosts immune function, helps recharge glutathione and may improve treatment of certain bacterial diseases; it has anticonvulsant and antiexcitotoxic properties, and is a potent antioxidant with the rare ability to enter your mitochondria In […]