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Question:
Are there drug interactions with magnesium supplements?

Answer:
Magnesium can decrease the absorption and effectiveness of a number of medications, including several common antibiotics, certain statin drugs, and a drug prescribed for atrial fibrillation. On the other hand, one form of magnesium may increase the absorption of certain anti-diabetes drugs, potentially affecting blood sugar control. In some cases, magnesium can still be taken, but only several hours before or after taking these drugs.

Be aware that these interactions apply not only to magnesium in supplements but also in over-the-counter antacids and laxatives.

In addition, certain medications can deplete levels of magnesium in the body, or interfere with magnesium's laxative effects.

For details, see the Cautions and Concerns section of the Magnesium Supplements Review >>

Also see these related CL Answers:



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How can the Recommended Daily Allowance (RDA) for magnesium be higher than the Upper Tolerable Intake Level (UL)? That is, how can an amount which is healthful also put you at risk for harm? >>

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Is it true that I should not keep magnesium supplements in a daily pill pack mixed with other supplements and medicines? >>

Help! How do I know how much magnesium I am actually getting from my supplement? The label says it contains 500 mg of magnesium "as magnesium citrate" -- but how much of that is magnesium and how much is citrate? >>

Is there an accurate test for magnesium deficiency? >>

Which supplements can cause diarrhea? >>

See other recent and popular questions >>
COMMENTS

Sharon16927   July 1, 2018
what is the best form of magnesium to prevent migraines at what dosage

ConsumerLab.com   July 16, 2018
Hi Sharon - This information can be found in the Dosage section of the Magnesium Supplements Review: https://www.consumerlab.com/reviews/magnesium-supplement-review/magnesium/#dosing


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This CL Answer initially posted on 7/22/2017. Last updated 7/23/2017.
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