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the claim

Magnesium, zinc, and melatonin help improve sleep

the verdict
NOT QUITE
not quite; the real figure is close but different
Recorded sources
10 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Magnesium, zinc, and melatonin help improve sleep?

Partly. Clinical trials and reviews show that magnesium and melatonin supplementation can help improve sleep quality, but the listed sources contain no evidence regarding zinc.

Verdict: NOT QUITE · 10 sources for, 0 against · Last checked

The analysis

The retrieved papers include multiple randomized controlled trials, meta-analyses, and comprehensive reviews demonstrating that both melatonin and magnesium supplementation improve sleep parameters, sleep quality, and insomnia across various populations. There is no contradictory evidence in the retrieved sources.

The actual figure is missing from this receipt.

Evidence for · 10
The Effects of Melatonin Supplementation on Sleep Quality and Assessment of the Serum Melatonin in ICU Patients: A Randomized Controlled Trial
2020
A randomized controlled trial found that oral melatonin significantly improved sleep quality in critically ill patients compared to placebo.
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Gandolfi, J. V., Bernardo, A. P. A. D., Chanes, D. A. V., Martin, D. F., Joles, V. B., Amendola, C. P., Sanches, L. C., Ciorlia, G. L., & Lobo, S. M. (2020). The Effects of Melatonin Supplementation on Sleep Quality and Assessment of the Serum Melatonin in ICU Patients: A Randomized Controlled Trial. doi.org. https://doi.org/10.1097/ccm.0000000000004690

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More for · 9
Melatonin supplementation and the effects on clinical and metabolic status in Parkinson's disease: A randomized, double-blind, placebo-controlled trial.
2020
A randomized controlled trial demonstrated that melatonin supplementation significantly improved the Pittsburgh Sleep Quality Index (PSQI) in patients with Parkinson's disease.
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Kakhaki, R. D., Ostadmohammadi, V., Kouchaki, E., & Asemi, Z. (2020). Melatonin supplementation and the effects on clinical and metabolic status in Parkinson's disease: A randomized, double-blind, placebo-controlled trial.. doi.org. https://doi.org/10.1016/j.clineuro.2020.105878

Effects of Melatonin Supplementation on Sleep Quality in Breast Cancer Patients: A Systematic Review and Meta-Analysis
2023
A systematic review and meta-analysis concluded that melatonin supplementation moderately ameliorates sleep quality in breast cancer patients.
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Seo, K., Kim, J., & Han, D. (2023). Effects of Melatonin Supplementation on Sleep Quality in Breast Cancer Patients: A Systematic Review and Meta-Analysis. doi.org. https://doi.org/10.3390/healthcare11050675

Effects of magnesium and potassium supplementation on insomnia and sleep hormones in patients with diabetes mellitus
2024
A randomized controlled trial found that magnesium and potassium supplementation significantly decreased the severity of insomnia and improved sleep hormones in diabetic patients.
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Khalid, S., Bashir, S., Mehboob, R., Anwar, T., Ali, M., Hashim, M., Waseem, H., & Basharat, S. (2024). Effects of magnesium and potassium supplementation on insomnia and sleep hormones in patients with diabetes mellitus. doi.org. https://doi.org/10.3389/fendo.2024.1370733

The Effect of Melatonin on Reducing the Frequency and Severity of Migraine Attacks: A Double-Blind, Randomized Clinical Trial
2024
A randomized clinical trial showed that melatonin significantly improved PSQI scores and reduced the duration of migraine attacks.
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Mehramiri, A., Shalilahmadi, D., Mohamadianinejad, S. E., Kouti, L., & Hosseinpour, Y. (2024). The Effect of Melatonin on Reducing the Frequency and Severity of Migraine Attacks: A Double-Blind, Randomized Clinical Trial. doi.org. https://doi.org/10.30476/ijms.2023.97782.2965

Effects of Melatonin on Salivary Levels of Cortisol and Sleep Quality of Hemodialysis Patients: A Randomized Clinical Trial
2021
A randomized clinical trial indicated that melatonin treatment significantly improved sleep quality and reduced nighttime salivary cortisol in hemodialysis patients.
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Hasannia, E., Derakhshanpour, F., & Vakili, M. A. (2021). Effects of Melatonin on Salivary Levels of Cortisol and Sleep Quality of Hemodialysis Patients: A Randomized Clinical Trial. doi.org. https://doi.org/10.18502/ijps.v16i3.6256

Melatonin for Sleep Quality and Occupational Cognitive Performance in Shift Workers with Low Sleep Quality: A Randomized, Double‐Blind, Placebo‐Controlled Clinical Trial
2024
A randomized controlled trial demonstrated that melatonin effectively treated sleep disorders and improved sleep quality in shift workers.
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Khanjani, S., Shamabadi, A., Akhondzadeh, S., & Malekirad, A. A. (2024). Melatonin for Sleep Quality and Occupational Cognitive Performance in Shift Workers with Low Sleep Quality: A Randomized, Double‐Blind, Placebo‐Controlled Clinical Trial. doi.org. https://doi.org/10.1155/2024/8869707

Dietary Protocols to Promote and Improve Restful Sleep: A Narrative Review.
2026
A narrative review summarized evidence supporting the sleep-promoting properties and circadian regulation benefits of nutraceuticals including melatonin and magnesium.
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F, C. (2026). Dietary Protocols to Promote and Improve Restful Sleep: A Narrative Review.. doi.org. https://doi.org/10.1093/nutrit/nuaf062

The Mechanisms of Magnesium in Sleep Disorders.
2025
A review highlighted magnesium's role in reducing nervous system excitability, regulating circadian rhythms, and improving sleep parameters in sleep disorders.
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C, H., B, W., X, C., J, X., Y, Y., & M, Y. (2025). The Mechanisms of Magnesium in Sleep Disorders.. doi.org. https://doi.org/10.2147/nss.s552646

Efficacy and Safety of Sustained-Release Melatonin Capsules (2 mg) in Healthy Adults with Poor Sleep Quality: A Randomized, Double-Blind, Placebo-Controlled Trial.
2026
A randomized, double-blind, placebo-controlled trial found that sustained-release melatonin significantly improved objective and subjective sleep parameters in adults with poor sleep quality.
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S, T., R, S., A, L., M, K., B, J., & N, A. (2026). Efficacy and Safety of Sustained-Release Melatonin Capsules (2 mg) in Healthy Adults with Poor Sleep Quality: A Randomized, Double-Blind, Placebo-Controlled Trial.. doi.org. https://doi.org/10.3390/clockssleep8020031

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What does the evidence say?

The retrieved papers include multiple randomized controlled trials, meta-analyses, and comprehensive reviews demonstrating that both melatonin and magnesium supplementation improve sleep parameters, sleep quality, and insomnia across various populations. There is no contradictory evidence in the retrieved sources.

Receipt History
first checked06 Aug 2026
judged → IMPRECISE · 8706 Aug 2026
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