Powdered Algae (IMAGE) University of California - San Diego Caption Volunteers in the first study of green algae on human digestion consumed daily spoonfuls of Chlamydomonas reinhardtii algae. Credit Frank Fields, UC San Diego Usage Restrictions Must be used in conjunction with algae and digestion study. 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.