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B12 injections and PBS Medications & Nutrition Many People May Be Misdiagnosed With Pernicious Anaemia You learn something new every day This is most definitely a new one for me! And the reason is something most people including Vitamin B12 is absorbed through two pathways. The first is intrinsic factor, a protein produced by parietal cells in the stomach. IF binds B12 in the small intestine and carries it across Best Vitamin B12 Injection Dose and Frequency PA Relief
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