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[56] Serum haptocorrin binds 80-90% of circulating B 12 , rendering it unavailable for cellular delivery by transcobalamin II

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Some conditions, like atrophic gastritis or celiac disease, can block the absorption of B12, while vegan and vegetarian diets can lead to insufficient intake, as animal products are a main source of B12

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The peptide works gradually by shifting your metabolic environment rather than producing dramatic overnight changes, which means the results tend to be more sustainable over time