Polyvinylpyrrolidone is white crystalline powder. It was used as a plasma volume expander for trauma victims after the 1950s.
It is used as a binder in many pharmaceutical tablets; it simply passes through the body when taken orally. PVP added to iodine forms a complex called povidone-iodinethat possesses disinfectant properties.This complex is used in various products like solutions, ointment, pessaries, liquid soaps and surgical scrubs.
As a food additive, PVP is a stabilizer and has E number E1201. It is also used in the wine industry as a fining agent forwhite wine or some beers. Other references state that polyvinyl pyrrolidone and its derivatives are fully from mineral synthetic origin. Therefore, its use in the production should not be a problem for vegans.