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B12 deficiency is one of the most common and overlooked conditions in the world. Vitamin B12 is involved in the metabolism of every cell of the body. It is crucial for processes Anemia Blood Tests: CBC, Ferritin, Iron & B12 Explained Ulta Lab Tests Intrinsic factor Wikipedia 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
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