Justmet SR 100 Tablet contains Metformin 1000 mg as its active ingredient and is primarily indicated for the management of type 2 diabetes mellitus. Metformin belongs to the biguanide class of oral antihyperglycemic agents and functions by improving glucose tolerance in patients with type 2 diabetes. It achieves this through the reduction of hepatic glucose production, decreased intestinal absorption of glucose, and enhanced peripheral glucose uptake and utilization. Justmet SR 100 is formulated as a sustained-release tablet, allowing for a gradual release of the active compound, which helps maintain stable plasma drug concentrations and improves patient compliance by reducing dosing frequency. This medication is typically prescribed as part of a comprehensive diabetes management plan including diet, exercise, and weight control. It is contraindicated in patients with renal impairment, metabolic acidosis, or hypersensitivity to Metformin. Common adverse effects may include gastrointestinal disturbances such as nausea, vomiting, diarrhea, and abdominal discomfort, which often subside with continued use. Monitoring of renal function is recommended prior to and during therapy to minimize the risk of lactic acidosis, a rare but serious complication. Justmet SR 100 should be used under medical supervision with regular blood glucose monitoring to achieve optimal glycemic control.