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 [6] [8] 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
If you have the COMT V158M gene mutation or mitochondrial issues, the Adenosyl/Hydroxy B12 Liquid supplement from Pure Encapsulations may work better
Your body needs vitamin B12 and plays a role in making new blood cells, such as red blood cells, and for your nervous system to function normally
Your provider will determine appropriate use based on your health profile and goals
In clinical trials with semaglutide oral tablets for T2DM, 14 (0.5%) of patients developed anti-semaglutide antibodies