Zepbound is a medication used to help manage blood sugar and promote weight loss in adults with type 2 diabetes. It is a once-weekly injection that combines two hormones called GLP-1 and GIP1. The generic name for Zepbound is Tirzepatide, and it is sometimes sold under the brand name Mounjaro. Zepbound contains the active ingredient Tirzepatide, a glucagon-like peptide-1 (GLP-1) receptor agonist and a dual glucose-dependent insulinotropic polypeptide (GIP) and GLP-1 receptor agonist. The injection is formulated as a solution and is available in doses of 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, and 15 mg per 0.5 mL single-dose pen.