About: http://webisa.webdatacommons.org/34291046

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 block is blended with a center filled with a cation exchange that removes heavy metals such as lead, and mercury.
http://www.w3.org/ns/prov#wasQuotedFrom	vitacost.com