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A member asked:
Will magnesium supplement (400mg) cause a false negative reaction on gfobt guaiac hemoccult stool occult blood test? thank you very much for your time and expertise?
A doctor has provided 1 answer
A magnesium supplement will not affect the stool test for occult blood. It will not cause a false negative or a false positive test. See a GI doctor if there is any question about your test result. Good luck to you!
Answered 3/13/2023
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