Why do Magnesium and Calcium interact?

High doses of calcium can reduce magnesium absorption This is a competition interaction rated medium severity.

Magnesium + Calcium

Q: Can I take Magnesium with Calcium?

Usually yes, but not at the same time. High doses of calcium can reduce magnesium absorption Take at different times; magnesium in evening is ideal

Can you take Magnesium and Calcium together? Here's what the science shows.

Moderate InteractionIngredientMD curated

Magnesium and Calcium interact moderately. High doses of calcium can reduce magnesium absorption

Bottom line: Take at different times; magnesium in evening is ideal

How They Interact

High doses of calcium can reduce magnesium absorption

Timing

Take at different times; magnesium in evening is ideal

Our Recommendation

Take at different times; magnesium in evening is ideal

Evidence Sources

IngredientMD curated interaction database

Based on 0 clinical references from peer-reviewed literature.

Common Questions

Magnesium and Calcium have some interaction to consider. High doses of calcium can reduce magnesium absorption Take at different times; magnesium in evening is ideal

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Medical Disclaimer: This information is for educational purposes only and is not intended as medical advice. Always consult with a healthcare provider before making changes to your supplement regimen, especially if you take medications.