By getting the peptide directly into the target area, injections activate your body's natural repair mechanisms on a deeper level
B12 and Weight Your body needs vitamin B12 to help regulate energy metabolism, or how your body converts food into energy

References The Lancet (2021) Onceweekly cagrilintide for weight management: phase 2 dosefinding trial (Lau et al.) Int J Mol Sci (2024) Amylin, another important neuroendocrine hormone for treatment of diabesity PMC (2022) Mediators of amylin action in metabolic control The Lancet (2021) Cagrilintide phase 2 trial: 10.8% weight loss at 4.5 mg dose over 26 weeks N Engl J Med (2025) REDEFINE 1: Coadministered cagrilintide and semaglutide in adults with overweight or obesity The Lancet (2021) Cagrilintide + semaglutide phase 1b trial: safety, tolerability, pharmacokinetics (Enebo et al.) J Med Chem (2021) Development of cagrilintide: a longacting amylin analogue Brain Res Rev (2005) Pancreatic amylin as a centrally acting satiating hormone PMC (2006) Pancreatic signals controlling food intake: insulin, glucagon, and amylin PMC (2016) Amylinmediated control of glycemia, energy balance, and cognition PMC (2024) Clinical pharmacokinetics of semaglutide: systematic review (includes cagrilintide PK data) N Engl J Med (2025) REDEFINE 2: Cagrilintidesemaglutide in adults with overweight/obesity and type 2 diabetes CDC Vaccine administration: subcutaneous injection technique and site guidance CDC (PDF) You Call the Shots: subcutaneous injection diagram and best practices Additional Research and Background These sources provide related context and are not presented as support for a specific statement above

doi:10.3389/fphar.2025.1551843
It also helps transport amino acids across cell membranes, supporting overall metabolic function