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B12 injections and PBS Medications & Nutrition Only One Chance B12 Deficiency Pernicious Anaemia Society Gastric Intrinsic Factor & Vitamin B12 Binding Intrinsic factor is a key glycoprotein secreted by gastric parietal cellsessential for the absorption of vitamin B12 in the terminal ileum. Without it, even Are Vitamin B12 Shots Right for You? Vitamin B12 A Vitamin B12 injection is a quick shot that gives your body vitamin B12 directly into the muscle. This helps your body absorb it faster than tablets. Vitamin B12 helps Intrinsic Factor Blocking Antibodies Second Opinion Physician
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