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B12 is best taken either one hour before or after a meal
+ The product-specific studies cited on this page are biochemical, cell-based, analytical, or animal studies
Pernicious Anaemia is Lifelong: If your deficiency is due to pernicious anaemia (lack of intrinsic factor), B12 injections will be lifelong, as the underlying absorption problem is permanent
If the person appears nervous or tense, advise them to put their weight on the leg or arm that you aren't injecting to help relax the muscles
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