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Mention it at your next routine appointment, and your doctor may suggest pausing the supplement and retesting

Once ingested, vitamin B12 is released from its food carrier proteins by proteolysis in the acidic environment of the stomach, where it binds to a glycoprotein called haptocorrin (also referred to as R-factor or R-protein)

doi: 10.1002/jor.1100160511

We maintain strict quality control measures throughout production
