About: http://webisa.webdatacommons.org/158247219

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	not really A and D are synergistic not competitive. they need to be taken together. here is a place to start. http://www.westonaprice.org/health-topics/update-on-vitamins-a-and-d/
http://www.w3.org/ns/prov#wasQuotedFrom	bulletproofexec.com