a15e0d46_Health_Information_Library__Recommendation
[Why] Large amounts of vitamin C or magnesium found in supplements can also cause diarrhea, avoiding the offending supplement brings rapid relief. Large amounts of vitamin C or magnesium found in supplements can also cause diarrhea, although the amount varies considerably from person to person. Unlike infectious diarrhea, diarrhea caused by high amounts of vitamin C or magnesium is not generally accompanied by other signs of illness. The same is true when the problem comes from sorbitol or fructose.8 In these cases, avoiding the offending supplement or food brings rapid relief. [Recommendation] 
Look at your supplements
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