About: http://webisa.webdatacommons.org/145411938

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Melatonin can cause morning grogginess, a feeling of having a hangover or a heavy head, or gastrointestinal symptoms such as nausea and diarrhea.
http://www.w3.org/ns/prov#wasQuotedFrom	lifeextensionvitamins.com