Humulin M3 KwikPen is a brand of insulin used to control high blood sugar in people with diabetes. It is a pre-mixed insulin, containing both intermediate-acting insulin isophane (NPH) and fast-acting insulin (regular), designed to help manage blood sugar levels throughout the day. The KwikPen is a convenient, easy-to-use insulin pen that allows for accurate dosing and is intended for patients who prefer not to use traditional vial and syringe methods. Humulin M3 works by helping glucose get into cells so your body can use it for energy, thereby lowering the level of glucose in the blood. It is essential for patients to follow their healthcare provider's instructions on how to use this medication correctly to manage their diabetes effectively.