CHICAGO—January 16, 2019—More than 4 in 5 American adults (86 percent) take vitamins or supplements, according to a recent online survey conducted by The Harris Poll on behalf of the American Osteopathic Association. However, only about a quarter (24 percent) of those taking vitamins or supplements received test results indicating they have a nutritional deficiency. … Continue reading Poll finds 86% of Americans take vitamins or supplements yet only 21% have a confirmed nutritional deficiency