About: http://webisa.webdatacommons.org/168212658

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	Vitamin D is a fat soluble vitamin so in people who have problems absorbing fat, such in your case after intestinal bypass surgery, higher amounts are needed.
http://www.w3.org/ns/prov#wasQuotedFrom	metabolism.com