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A member asked:
Took 400mg of presc magnesium this am before starting colonoscopy prep. noticed suprep has magnesium. is it ok that i took magnesium supplement.
5 doctors weighed in across 2 answers
Magnesium: Taking oral magnesium should not interfere with your colonoscopy.
Answered 8/23/2013
4.9k views
Probably ok: The magnesium supplement you took was probably eliminated during the bowel cleansing process, which uses a magnesium-based laxative such as magnesium citrate. The magnesium in the bowel prep isn't absorbed by the body but passes through the intestines and causes the bowel-cleansing cathartic effect. Check with your pcp or gastroenterologist.
Answered 6/25/2014
4.9k views
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