Goodman says, though some people require them for the long term. Your healthcare provider will make recommendations based on your B12 level, age, diet and overall health
MHRA-approved options include orlistat (prescription and over the counter), semaglutide (Wegovy, supported by NICE TA875), and liraglutide (Saxenda, supported by NICE TA664)
Blood tests may also be done to evaluate Vitamin B12 in the body
In Canada, synthetic injectable peptides are generally regulated as prescription drugs under the Food and Drugs Act, and Health Canada has issued public advisories (April 2026 and earlier) cautioning that unauthorized injectable peptide products are illegal regardless of whether they are labelled 'for research use only.' Research-grade AOD-9604 supplied by Koipeptides is intended for in vitro laboratory study only and is not authorized for any human or veterinary application
If clinically appropriate, your plan may include treatment, diagnostics, lifestyle guidance, or follow-up steps