The purpose of using Victoza injection is to treat patients with type 2 diabetes. Victoza is the brand name for the medication liraglutide, which is an injectable prescription medicine. It belongs to a class of medications called glucagon-like peptide-1 (GLP-1) receptor agonists. Victoza is used along with proper diet and exercise to control blood sugar levels in adults with type 2 diabetes. It helps to improve glycemic control, promotes weight loss, and reduces the risk of cardiovascular events in certain patients.