Metgem 500 Tablet is a combination of two antidiabetic medicines: Metformin and Gemigliptin. Metformin works by decreasing glucose production in the liver and improving insulin sensitivity. Gemigliptin works by increasing the release of insulin from the pancreas and decreasing the levels of glucagon in the body. This combination helps control blood sugar levels in patients with type 2 diabetes mellitus. It is important to take this medication as prescribed by your doctor and to monitor your blood sugar levels regularly.