The State of Supplements (image) The Reis Group Share Print E-Mail Caption Americans' knowledge and use of supplements. Please contact firstname.lastname@example.org for high resolution version. Credit Harris Poll and Samueli Foundation Usage Restrictions None Share Print E-Mail 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.