A member asked:

Which vitamins or lack of vitamins may be the cause of chronic constipstion?

A doctor has provided 1 answer
Dr. John Chiu answered

None: Lack of sufficient fiber intake (fiber supplement?) as well as exercise are more common causes of constipation. Although magnesium supplement may ease the constipation, it is not from magnesium deficiency. See Dr if above measures failed.

Answered 11/13/2017

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