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5 Benefits and Side Effects If you have low energy, feel stuck in a mental haze, or have trouble losing weight, youre in good company
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Why Absorption Matters: The B12 Challenge The journey of B12 from your plate to your cells involves several steps: B12 from food is bound to proteins and must be released by stomach acid It then binds to intrinsic factor, a protein produced by the stomach This complex travels to the small intestine where B12 is absorbed Finally, it enters the bloodstream for transport to cells This elaborate process explains why many people, despite adequate dietary intake, may still experience functional B12 deficiency
There is no official link between standard B12 supplementation and serious adverse effects in individuals with normal kidney and liver function
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