About: http://webisa.webdatacommons.org/293437229

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	Only animal sources that are natural foods that contain vitamin B12, but many products including cereals and soy products have been fortified with vitamin B12 so that vitamins are contained in various types of food.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com