[The Implication of Dietary Supplements and Herbal Medicines in Perioperative Period].

Total sales of dietary supplements and herbal medi- cines exceed two trillion yen in Japan. Approximately 60% of Japanese use dietary supplements or herbal medicines. In general, many people believe that dietary supple- ments and herbal medicines are safe natural prod- ucts; however, they could induce serious adverse events (bleeding, myocardial infarction stroke and glucose intolerance) in perioperative period.