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Order Vitamin Injections Frequently Asked Questions What is Vitamin B12
That said, many of the studies on B12 and weight only show a link between low B12 levels and weight gainthey dont prove that vitamin B12 deficiency causes weight gain or that increasing B12 levels could help you slim down
The duration of B12 supplementation depends on individual needs, lifestyle, and lab results
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
Age, sex, BMI, diabetes status, genetic markers, microbiome composition, and lifestyle factors all influence outcomes
