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Once injected, B12 enters the bloodstream directly without requiring stomach acid, intrinsic factor (a protein necessary for B12 absorption), or healthy intestinal function
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It is caused by either lack of intrinsic factors or surgical removal of parts of the digestive system that bypass the small intestine
These versatile molecules are making significant strides in the treatment of a wide range of medical conditions, including chronic diseases, cancer, and severe chronic pain
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