Antidiabetic effects of <i>Gymnema sylvestre</i> and metformin co-therapy in a type 2 diabetic rat model

This study demonstrated that metformin and GS, individually and in combination, improved glycemic control and metabolic outcomes in T2DM rats. While metformin showed the greater efficacy, combination therapy provided additive benefits, supporting GS as a potential adjunct in T2DM management.