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Magnesium Draws Interest for Sleep and Mood as Experts Urge Caution

Preliminary research points to limited benefits for some sleepers, prompting clinicians to favor food sources with medical guidance.

Overview

  • Reporting cites a Sleep Medicine X study in which magnesium L‑threonate improved deep and REM sleep in adults with sleep problems, with related gains in mood and alertness.
  • Sleep specialists interviewed by BBC Mundo emphasize that evidence for magnesium as an insomnia remedy remains limited and not conclusive for most people.
  • Clinicians recommend meeting magnesium needs through diet, highlighting nuts, legumes, leafy greens and whole grains as reliable sources.
  • For anyone considering supplements, experts advise assessing kidney function, checking for drug interactions, and choosing products by elemental magnesium content due to variable absorption and loose regulation.
  • Some clinicians outline dosing and form preferences, suggesting 200–400 mg of elemental magnesium daily and favoring bisglycinate or citrate over oxide, while warning that high doses can cause digestive effects or affect heart rhythm and blood pressure.