Key Takeaways

Magnesium helps the body absorb and use calcium better.

Calcium and magnesium together may support brain health and improve cognitive function.

Magnesium can improve sleep quality by calming the nervous system.

Calcium and magnesium are minerals essential for health. Most people can get enough of these nutrients through food sources, but some may need supplements. Magnesium helps the body absorb and use calcium, so taking the two together may be beneficial.

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1. May Support Brain Health

Getting appropriate amounts of calcium and magnesium may support brain health. In one study of older people, those with low magnesium and/or calcium levels performed less well on tests measuring cognitive impairment than those at normal levels of t

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