Diabetes mellitus is one of the major causes of morbidity and mortality in the modern world. Persistent hyperglycaemia is responsible for several complications of diabetes, such as diabetic retinopathy, diabetic nephropathy, diabetic neuropathy, diabetic cardiomyopathy, diabetic autonomic neuropathy, diabetic ketoacidosis, diabetic foot ulcer, gestational diabetes, and diabetic mastopathy. With the advancement of technology, several new drugs have been developed for treatment of diabetes and diabetic complications. Moreover, alternative and complementary medicines have also been employed to...