Humalog Mix 25 100IU/ml Cartridge is a premixed insulin formulation containing 25% insulin lispro and 75% insulin lispro protamine suspension, designed for the management of diabetes mellitus requiring insulin therapy. Insulin lispro is a rapid-acting insulin analog that facilitates prompt glucose uptake by peripheral tissues, thereby reducing postprandial hyperglycemia. The protamine component provides an intermediate-acting insulin effect, ensuring prolonged glycemic control by delaying insulin absorption. This biphasic insulin combination allows for both immediate and sustained insulin activity, optimizing blood glucose regulation throughout the day. Humalog Mix 25 is administered subcutaneously using compatible insulin delivery devices and is indicated for adult and pediatric patients with type 1 or type 2 diabetes who require both basal and prandial insulin coverage. Dosage and administration should be individualized based on patient-specific factors, including glycemic response, lifestyle, and concomitant medications. Regular monitoring of blood glucose levels is essential to minimize the risk of hypoglycemia and to adjust dosing accordingly. Humalog Mix 25 offers a convenient, flexible insulin regimen that supports improved glycemic control and enhances adherence in insulin-dependent diabetic patients.