Melatonin as an Antioxidant Supplement in Athletes: A Literature Review of Current Evidence

Author:

Kim TaewanORCID,Cho JinkyungORCID

Abstract

PURPOSE: Melatonin (MT; N-acetyl-5-methoxytryptamine) is synthesized and released during the night in specialized pineal gland cells. Among its variety of physiological properties, recent research indicates that MT has both antioxidant and anti-inflammatory actions. The aim of this literature review was to summarize recent evidence that describes the effects of MT on the muscle function and preventive role of MT on exercise-induced muscle damage.METHODS: This review included previous research using the PubMed, Science Direct, and Google Scholar databases.RESULTS: We discussed the molecular structure and biological function of MT and the potential role of this hormone in antioxidant and anti-inflammatory processes. These activities have been studied in relation to the protection of muscle function against oxidative damage. In addition, MT is reported to have positive effects on muscle damage, lipid metabolism, and inflammatory responses in well-trained athletes following exercise training. Moreover, the potential beneficial effects of melatonin and mechanisms related to performance were revealed through improved sleep quality, muscle damage, and antioxidant levels in trained athletes.CONCLUSIONS: Finally, this review suggested that possibilities of MT as a supplementation for athletes; however, further research is required to investigate the specific mechanisms involved, the dose and duration of use, and the beneficial and detrimental effects of MT on athletic performance.

Publisher

Korean Society of Exercise Physiology

Subject

Physiology (medical),Public Health, Environmental and Occupational Health,Physical Therapy, Sports Therapy and Rehabilitation

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