Glycated hemoglobin (HbA1c) levels were increased in uncontrolled diabetes [Table 4]. This has shown to be associated with the induction of oxidative stress and subsequent tissue damage to major organs such as the heart and kidneys that may lead to other diabetic complications. Administration of GG and RS prevented it significantly. Decrease in HbA1c levels in diabetic rats could be due to the result of improved glycemic control proved by T. cordifolia.