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A 21-year-old female asked:

Can metformin affect your sodium or magnesium levels? also what is a good otc magnesium supplement? (my diet is insufficient for several reasons)

1 doctor answer1 doctor weighed in
Dr. David Sneid
Endocrinology 42 years experience
No: Doesn't affect sodium or magnesium magnesium is available otc, but it usually not necessary if you eat a fairly health diet.
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Last updated Jan 25, 2019


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