YES, Cieotrim is safe.
Japan: Cieotrim, resistant maltodexitrin is classified as FOSHU by Ministry of Health, Labor and Welfare, Japan. FOSHU refers to foods containing ingredient with functions for health and officially approved to claim its physiological effects on the human body.
USA: Cieotrim, resistant maltodexitrin is classified as generally recognized as safe (GRAS) by the FDA, USA