Continuous glucose monitoring (CGM) can provide insights into glycemic response of an individual and this personalized glycemic response (PGR) of individuals can help in more effective glycemic control. This study analysed the variation in time in range (TIR) after participation in PGR-based Diabefly-ProTM program in people with type 2 diabetes (T2D). The results revealed that mean blood glucose was reduced from 154.56 mg/dl to 141.60 mg/dl. The TIR significantly improved from 56.56 % to 61.88 % and TAR significantly reduced from 37.68 % to 30.76. These results concludes that significant improvement in glycemic control and subsequent reduction in glycemic excursions was observed after 7 days of modified lifestyle plan.