About: http://webisa.webdatacommons.org/336024021

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	Vitamin A has several functions, such as being an antioxidant and helping our immune system, and - you guessed it - is necessary for vision.
http://www.w3.org/ns/prov#wasQuotedFrom	funnyjunk.com