Dr. David Jenkins (IMAGE) St. Michael's Hospital Caption The most commonly consumed vitamin and mineral supplements provide no consistent health benefit or harm, suggests a new study led by researchers at St. Michael's Hospital and the University of Toronto. Credit St. Michael's Hospital Usage Restrictions Please credit St. Michael's Hospital. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.