About Toa Eiyo

About company

TOA EIYO has been growing steadily as a research and development oriented corporation. Our history began in 1943 when the company was first established with the aim of utilizing to a high level the vitamin B2 contained in silkworm pupae. Since then, TOA EIYO has produced Bisulase®,which was born from this research into silkworm pupae, and subsequently introduced its Flavitan®series to become the top manufacturer of vitamin B2 formulations in Japan.