AimsWe aimed to review insulin dosing recommendations, regulation and its determinants, glycaemic response carbohydrates, the efficacy safety of therapy in different races/ethnicities.MethodsWe searched for articles PubMed Google Scholar databases up 31 March 2021, with following keywords: “ethnicity”, “diabetes”, “insulin”, “history insulin”, “insulin therapy”, “food/rice”, “carbohydrate intak...