About: http://webisa.webdatacommons.org/10668406

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	Many of these minerals, such as zinc, copper, and magnesium, are necessary co-factors of vitamin activity.
http://www.w3.org/ns/prov#wasQuotedFrom	thedoctorwithin.com