is the b12 injection painful What happens if you inject wrong? Vitamin B12 Injections: What You

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If the damage goes on long enough, parietal cells can be lost entirely.[ref] Antibodies to parietal cells are found in 90% of patients with autoimmune gastritis

Vitamin B12 is most commonly found in animal products, such as meat, fish, poultry, eggs, and dairy, making it particularly important for vegetarians and vegans to consider supplementation or fortified foods to ensure adequate intake

Always verify coverage with the specific payer's LCD and formulary before administering