About: http://webisa.webdatacommons.org/354323870

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	Beta-carotene is a precursor to Vit A, so if you have enough A in your system already, your body just does not convert it.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com