Primary Research · 2012
The effect of magnesium supplementation on primary insomnia in elderly: a double-blind placebo-controlled clinical trial
Abbasi B, Kimiagar M, Sadeghniiat K, et al. · Journal of Research in Medical Sciences, 2012
Key finding
8-week RCT in elderly with insomnia: 500mg/day magnesium significantly improved subjective insomnia score, sleep efficiency, sleep onset latency, and serum melatonin concentration.
About the supplement
Magnesium
Dose · mechanism · evidence grade · safety →
Read the paper
Open on PubMedhttps://pubmed.ncbi.nlm.nih.gov/23853635/
Cited in 5 guides
Roundup
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Protocol
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Guide
Best Time to Take Magnesium: The Timing Science (2026)
Morning, evening, or with food — when you take magnesium matters more than you think. Form-specific timing rules backed by clinical research.
Guide
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Magnesium deficiency is linked to anxiety symptoms. Glycinate is the form with evidence for anxiety reduction — here's the mechanism and protocol.
Guide
8 Signs of Magnesium Deficiency – 2026 Guide
Muscle cramps, twitching eyelids, and poor sleep may signal low magnesium. Learn all 8 signs, why standard blood tests miss it, and how to fix it.
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