Mounjaro is a weekly self-injectable weight loss medication containing the active ingredient tirzepatide. Each pack of Mounjaro comes in four weekly doses when ordered online at Betterweight Medical. Tirzepatide regulates blood sugar levels and reduces appetite, triggering weight loss. Approved by the MHRA for weight management and type 2 diabetes, Mounjaro KwikPen (tirzepatide) has achieved unprecedented weight loss results in its clinical trials.