Nuparin (Heparin Sodium) 1000 IU 5ml IV Vial is a medication used as an anticoagulant (blood thinner) to prevent and treat blood clots. Each vial contains 1000 International Units (IU) of Heparin Sodium in a 5ml solution, which is administered via intravenous (IV) injection. Heparin is commonly used in hospitals to prevent clot formation during surgeries, dialysis, or in patients at risk of thromboembolic events. The vial comes in a pack of 1.