Assertion: melatonin's function | /r/HasProperty | many important
Facets:
Source sentences:
text: Melatonin has many important functions in the body, including:
text: In addition to improving the sleep cycle, melatonin has other important functions that are being discovered through medical science.
text: Due to its capacity for free radical scavenging, indirect effects on the expression of antioxidant enzymes, and its significant concentrations within mitochondria, a number of authors have indicated that melatonin has an important physiological function as a mitochondrial antioxidant.