Assertion: natural melatonin | /r/CreatedBy | the pineal gland
Facets:
value: in the brain
type: LOCATION
value: primarily
type: DEGREE
Source sentences:
text: Natural melatonin is produced primarily by the pineal gland in the brain.
text: Natural melatonin is a highly lipid soluble hormone produced in the pineal gland in the brain.
text: Natural melatonin is produced primarily by the pineal gland in the brain.