Assertion: melatonin | /r/IsA | dietary supplement
Facets:
value: about its effects
type: OTHER
value: in the united states
type: LOCATION
Source sentences:
text: Because it is classified as a dietary supplement (not a drug) it isn’t regulated by the FDA and there aren’t any dosing parameters set.
text: It is classified as a dietary supplement and so data and research about its effects are limited.
text: It is classified as a dietary supplement and so data and research about its effects are limited.
text: The problem is that melatonin is classified as a dietary supplement rather than a medication, and isn’t regulated.
text: In the United States, melatonin is classified as a dietary supplement.