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

Discussing B12 Shots & B12 Injections: Examining the Definite Relationship Between B12 Injections and Folic Acid Levels, Alongside Alternative Supplementation Options
Diet-induced obese mice were switched from an obesity-promoting diet to a lower-fat diet and compared with groups receiving diet change alone or diet change plus 5-Amino-1MQ
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1000mcg of methylcobalamin preservative free (concentrated) put into an acupuncture point by Laura 2500mcg of methylcobalamin given as given by one of our nurses with an intramuscular (IM) shot
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