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Its widely available in animal food sources and supplementation, so fulfilling your daily requirement should be easy

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Their use should involve appropriate professional guidance, even though some products containing these peptides are available over the counter

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In the duodenum, pancreatic enzymes degrade the R-protein-B12 complexes, freeing B12 to bind with intrinsic factor (IF) , a glycoprotein produced by gastric parietal cells in the stomach lining