multivitamins and chronic disease

This conference review article concludes “Evidence is insufficient to prove the presence or absence of benefits from use of multivitamin and mineral supplements to prevent cancer and chronic disease.” The reviewers felt that the studies were not rigourous enough for them to make a clear statement of benefit or harm. Who is going to tell the 50% of American adults that take dietary supplements?

National Institutes of Health State-of-the-Science Conference Statement: Multivitamin/Mineral Supplements and Chronic Disease Prevention

http://www.ahrq.gov/downloads/pub/evidence/pdf/multivit/multivit.pdf