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
Without continued diet and exercise, most users experience some regain
Improved Neurological Function Vitamin B12 is essential for maintaining the health of nerve cells and producing the myelin sheath, which protects nerves
By numbing the skin at the injection site first with ice or topical creams, then you reduce some the bruising and soreness that come with weekly or monthly vitamin B12 injections