vitamin b12 injections daily Optimal Dosage and Treating Deficiency Vitamin B12 Injection Dosage for

A lyophilized powder in a sealed vial

Inadequate secretion of intrinsic factor, resulting from lesions that destroy the gastric mucosa (which can be caused by ingestion of corrosives, extensive tumors, and conditions associated with gastric atrophy, such as multiple sclerosis, certain endocrine disorders, iron deficiency, and subtotal gastrectomy) Structural lesions leading to vitamin B 12 deficiency, including regional ileitis, ileal reactions, and malignancies Competition for vitamin B 12 by intestinal parasites or bacteria

B12 injections are administered intramuscularly, typically in the arm or thigh

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