At the 84th Annual Meeting of the Japanese Circulation Society (July 27-August 2, 2020), "Improvement of constipation in a mouse model of acute heart failure by oral administration of Euglena The presentation was made in collaboration with Dr. Hiroshi Akazawa and Fellow Masahiko Umei. In this joint study, Euglena improves constipation symptoms and cardiac function in acute heart failure model mice. We will continue Euglena the medical field and increasing its added value as a food ingredient.