Victoza is a brand name for the drug liraglutide, a medication produced and distributed by Novo Nordisk. The FDA has Victoza is a brand name for the drug liraglutide, a medication produced and distributed by Novo Nordisk. The FDA has approved Victoza (liraglutide) as a supplement to life style changes for adult patients with type 2 diabetes mellitus. It falls under the GLP-1 (glucagon-like peptide-1) receptor agonists, functioning similarly to the natural hormone GLP-1 to regulate blood sugar levels. Victoza releases insulin when blood sugar levels are high, reduces the liver’s glucose production, and slows gastric emptying. The Victoza is also not a substitute for insulin. It should not be used in patients with type 1 diabetes mellitus or diabetic ketoacidosis.