Is magnesium worth taking for sleep or performance? In older adults with insomnia it shortened sleep onset by 17.36 minutes on low to very low quality evidence; direct performance data are limited
Oct 27
3 min read
Magnesium has become a default evening supplement, sold for deeper sleep, better recovery and stronger training. It is a genuinely essential mineral, which makes the marketing easy. The question is narrower: in people who already eat a normal diet, does adding magnesium measurably improve sleep or performance, and how good is that evidence?
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