Susan recently had bariatric surgery,removing 85% of her stomach tissue.After surgery,she should expect reduced absorption of vitamin B₁₂.

Question

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Vitamin B₁₂ is primarily absorbed in the ileum, which is downstream of the stomach. However, reduced stomach tissue may also affect intrinsic factor secretion, leading to reduced absorption of vitamin B₁₂. Patients who undergo bariatric surgery are often advised to take vitamin B₁₂ supplements to prevent deficiency.

Susan Recently Had Bariatric Surgery,removing 85% of Her Stomach Tissue