Vitamin B12 Deficiency: Vitamin B12 deficiency is a nutritional or absorption related disorder leading to impaired DNA synthesis and neurologic dysfunction, commonly presenting with megaloblastic anemia and neuropsychiatric symptoms. Physiological Vitamin B12: How Frequently Should I Get It? URBAN Medical Fishersville, VA and Gilbert, AZ Vitamin B12 Injection Dosage Duluth GA Could a cure for Pernicious Anaemia be on the horizon? For nearly a century, PA has been managed not cured. Lifelong B12 injections treat the consequence of the disease, but