Anti-Aging Online Treatment GLP-1 medication is a prescription treatment prescribed for weight loss and Type 2 Diabetes. It belongs to a class of drugs called glucagon-like peptide-1 (GLP-1) receptor agonists. It mimics the action of natural GLP-1, a hormone that stimulates the release of insulin and reduces the amount of glucose produced by the liver. This helps lower blood sugar levels in people with diabetes.