2 doctors weighed in:

Can irritable bowel syndrome cause vitamin B12 and vitamin d deficiency??

2 doctors weighed in
Dr. Anne Eglash
Family Medicine
1 doctor agrees

In brief: Not likely

Irritable bowel syndrome (IBS) is characterized by bloating, abdominal pain, diarrhea, and/or constipation.
The colon appears normal when examined on colonscopy. Because the lining is normal, absorption of nutrients is not impaired by IBS. Lack of vitamin D and B-12 can be due to lack of absorption due to other illnesses, or simply lack of sufficient ingestion via diet-B-12, and lack of sun-vitD.

In brief: Not likely

Irritable bowel syndrome (IBS) is characterized by bloating, abdominal pain, diarrhea, and/or constipation.
The colon appears normal when examined on colonscopy. Because the lining is normal, absorption of nutrients is not impaired by IBS. Lack of vitamin D and B-12 can be due to lack of absorption due to other illnesses, or simply lack of sufficient ingestion via diet-B-12, and lack of sun-vitD.
Dr. Anne Eglash
Dr. Anne Eglash
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