About: http://webisa.webdatacommons.org/401916957

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	There weren't many studies I could find on the subject, but it seems that people do experience a subjective difference in effects between yerba mate and other caffeine sources such as coffee or tea.
http://www.w3.org/ns/prov#wasQuotedFrom	drugs-forum.com