About: http://webisa.webdatacommons.org/11009636

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	Written By Alan Remde, M.D., FAAFP Vitamin D (actually a hormone), is an essential fat-soluble hormone required for the health of the bones, muscles, heart and blood vessels, nervous, immune and other systems of the body.
http://www.w3.org/ns/prov#wasQuotedFrom	acsm.org