Mounjaro is an injectable prescription medicine that is used along with diet and exercise to improve blood sugar (glucose) in adults with type 2 diabetes and very effective for weight loss . Itâs come in 4 pens a month . It has no side effects and we also recommend beginners to start up monthly dosage with lower dose :â¦Â Available Mounjaro Dosage 2.5mgHigher Dose includes ; 5mg ,7.5mg , 10mg ,12.5mg 15mg