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No major side effects either, which is nice
Also, you will be able to go beyond your limit without getting tired afterwards
The body tightly regulates B12 absorption through intrinsic factor, a protein produced in the stomach that binds to B12 and facilitates its uptake in the terminal ileum
[1] However, whilst acute toxicity is rare, elevated serum B12 levels can occasionally occur and may warrant investigation, particularly when they arise unexpectedly or in the context of certain medical conditions
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