Most people taking B12 supplementswhether oral, sublingual, or intramuscularexperience no musculoskeletal symptoms
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
In fact, the effect was synergistic rather than additive (see figure 2)
doi: 10.1212/wnl.46.5.1244
and Center for Agricultural Bioinformatics project [grant number 21-56, TG3064]
doi: 10.1192/bjp.188.1.46
