About: http://webisa.webdatacommons.org/426496239

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	The natural form of the vitamin, called D3, is normally produced in the skin after exposure to sunlight, but is also obtained from certain foods such as oily fish, margarine and meat.
http://www.w3.org/ns/prov#wasQuotedFrom	bbc.co.uk