Magnesium
Magnesium is an essential mineral involved in hundreds of enzymatic reactions and in NMDA-receptor regulation. Correcting deficiency can help, and modest evidence links supplementation to small improvements in sleep, migraine frequency, and depressive symptoms, with clearer benefit in people who are deficient. It is generally safe, with loose stools the main dose-limiting effect.
Too little may be associated with
Deficiency: anxiety, cramps, poor sleep.
Too much may be associated with
Excess: diarrhea; danger in kidney disease.
Informational only — not medical advice.
Where to buy
Popular Magnesium products on Amazon. Not medical advice — talk to a clinician before starting a supplement.
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Research (5)
- Alcohol Withdrawal Meloy et al. (2025)
- GABA(A)-Receptor Signaling and Ionic Plasticity in the Generation and Spread of Seizures Noebels et al. (2024)
- Magnesium in schizophrenia Ordak et al. (2017)
- The effect of magnesium supplementation on primary insomnia in elderly: A double-blind placebo-controlled clinical trial Abbasi et al. (2012)
- Magnesium in neuroses and neuroticism Vink et al. (2011)
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