Factor V is a protein in the blood that plays a crucial role in the process of blood clotting. It is produced in the liver and helps convert prothrombin into thrombin, which is essential for forming blood clots. Proper functioning of factor V is vital for preventing excessive bleeding when injuries occur. A deficiency or mutation in factor V can lead to bleeding disorders or conditions like Factor V Leiden, which increases the risk of abnormal blood clots. Monitoring factor V levels is important in managing clotting disorders and ensuring effective treatment strategies for affected individuals.