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Does Alcohol Deplete Magnesium?
Magnesium deficiency is common in people with chronic alcoholism.[1]
Based on NIH Office of Dietary Supplements — Magnesium fact sheet · Updated October 10, 2026
DepletionEvidence: Established
Magnesium deficiency is common in chronic alcoholism[1]
Why
Magnesium deficiency is common in chronic alcoholism, through poor intake, gut losses and extra magnesium lost in urine.
Source [1]Magnesium: Fact Sheet for Health Professionals. NIH Office of Dietary Supplements. (ods.od.nih.gov)
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- Do Vitamin D and Magnesium Work Together?Yes. Low blood magnesium causes resistance to some of vitamin D’s effects, so keep magnesium intake adequate.
- Do Magnesium and Potassium Work Together?Yes. Magnesium helps move potassium across cell membranes, and severe magnesium deficiency can cause low potassium.
- Can You Take Magnesium and Zinc Together?One study found very high zinc supplement doses, 142 mg a day, can interfere with magnesium absorption and magnesium balance.
Sources
- Magnesium: Fact Sheet for Health Professionals. NIH Office of Dietary Supplements. ods.od.nih.gov
This page is general information from the cited sources, not medical advice. If you take prescription medication, are pregnant, or manage a health condition, check supplement changes with a pharmacist or doctor.