Cited by 92Circadian rhythm and melatoninSleep and related disordersSleep and Work-Related Fatigue

Optimal dosages for melatonin supplementation therapy in older adults: A systematic review of current literature

Vural, Esmée M. S., van Munster, Barbara C., de Rooij, Sophia E.·2014·Drugs & Aging

Abstract

Background Melatonin is a hormone that regulates circadian rhythm, and its levels decline with age. As melatonin levels decrease, older adults are prone to develop disorders related to an altered circadian rhythm. The effective dose of melatonin supplementation in these disorders remains unclear.Objectives Our objective was to define the optimal dosage of exogenous melatonin administration in disorders related to altered melatonin levels in older adults aged 55 years and above by determining the dose-response effect of exogenous administered melatonin on endogenous levels.Methods We conducted a systematic review through PubMed/MEDLINE and Embase, both from 1980 until November 2013. Included articles studied the effect of exogenous melatonin administration on endogenous melatonin levels in either serum, urine, or saliva in humans aged 55 years and above.Results We included 16 articles, nine of which were randomized controlled trials (RCTs). The mean age varied from 55.3 to 77.6 years. Melatonin dosage varied from 0.1 mg to 50 mg/kg and was administered orally in all studies. Pre- and post-intervention levels revealed a significant elevation of the post-intervention melatonin levels in a dose-dependent fashion. The maximum concentrations measured in serum and urine were all elevated compared with placebo, and a higher elevation in older adults than in younger adults was demonstrated. Even though there were no differences between times to reach maximum concentration in serum and urine, melatonin levels with higher doses were maintained longer above a certain threshold than were lower doses.Conclusion In older adults, we advise the use of the lowest possible dose of immediate-release formulation melatonin to best mimic the normal physiological circadian rhythm of melatonin and to avoid prolonged, supra-physiological blood levels.

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Crossref · 10.1007/s40266-014-0178-0

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Authors
Vural, E. M. S., van Munster, B. C., & de Rooij, S. E.
Affiliations
Amsterdam UMC Location University of Amsterdam (NL)
Corresponding author
Vural, Esmée M. S.
Venue
Drugs & Aging
Published
2014-05-07
Volume
31
Issue
6
Pages
441-451
ISSN
  • 1170-229X (ISSN-L)
  • 1179-1969
OpenAlex
W2038533484
Cited by
92
References
47
Citations by year
2026: 4 · 2025: 9 · 2024: 12 · 2023: 6 · 2022: 14 · 2021: 7 · 2020: 14 · 2019: 7 · 2018: 4 · 2017: 4 · 2016: 4 · 2015: 6 · 2014: 1
FWCI
0.57
Type
journal article
Language
en
Open access
closed
Locations
  • Drugs & Aging (publishedVersion)
  • PubMed (publishedVersion)
  • Pure Amsterdam UMC (publishedVersion)
  • Amsterdam UMC (VU Amsterdam) - Institutional Repository (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
Keywords
melatonin, melatonin supplementation, dose-response relationship, older adults, circadian rhythm, serum melatonin, urinary melatonin, saliva melatonin, immediate-release formulation, sleep disorders
MeSH terms
Administration, Oral, Aged, Aged, 80 and over, Circadian Rhythm, Dose-Response Relationship, Drug, Humans, Sleep Initiation and Maintenance Disorders, Melatonin, Middle Aged, Saliva, Dietary Supplements

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