Weight loss achieved through Wegovy treatment may itself reduce certain types of pain, particularly musculoskeletal discomfort related to excess body weight
Research-grade semaglutide and AOD-9604 sold through peptide vendors are not subject to these standards
The black box warning on GLP-1 receptor agonists stems from animal studies showing C-cell hyperplasia and medullary thyroid cancer in rodents
The study concluded that B12 deficiency disrupts catecholamine degradation and sympathetic nervous system function, directly contributing to orthostatic intolerance

Other groups who may benefit include: Patients following gastric surgery (gastrectomy, bariatric procedures) where intrinsic factor production or absorption sites are compromised Individuals with malabsorption disorders such as Crohn's disease, coeliac disease, or chronic pancreatitis Strict vegans and vegetarians with dietary insufficiency, though oral supplementation is usually tried first Elderly patients with atrophic gastritis or reduced gastric acid production Patients on long-term metformin or proton pump inhibitors, which can impair B12 absorption Individuals with nitrous oxide exposure (recreational or medical), which can cause functional B12 deficiency Diagnosis typically involves serum B12 measurement, with levels below approximately 148 pmol/L (though thresholds vary between laboratories) generally indicating deficiency