A member asked:

Is there a link between gall bladder removal and b12 deficiency?

A doctor has provided 1 answer

No: Vitamin B12 is absorbed through the stomach, and needs a particular hormone secreted by the stomach (intrinsic factor). Gastric bypass can cause B12 deficiency, or low dietary intake. The gall bladder just stores bile which is necessary for metabolizing fats, and isn't related to B12 absorption.

Answered 11/2/2019

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