Abstract
Background: The purpose of this systematic review was to determine the effect of antioxidant consumption on markers of oxidative stress and muscle damage after performing a muscle strength exercise. Methods: The Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) statements were followed. Four databases were used: Scopus, PubMed, WOS and SportDiscus. Methodological quality was assessed using the PEDro scale. Results: A total of 1709 articles were retrieved and following duplicate removal and application of exclusion criteria seven articles were reviewed. Supplementation with pomegranate juice alleviates oxidative stress, taurine reduces muscle damage, melatonin protects the skeletal muscles, blueberries decrease oxidation and oats mitigate muscle damage. Conclusions: Acute administration of antioxidants immediately before or during an exercise session can have beneficial effects, such as delay of fatigue and a reduction in the recovery period. Administration of antioxidant susbtances may reduce muscle damage and oxidative stress markers.
Highlights
Physical training programmes are based on provoking a state of transient fatigue, increasing the body’s regenerative capacity and inducing overcompensation of the biological systems involved [1]
Improves antioxidant status and beneficial effects on damage produced by high intensity training mg daily samples in total
The following criteria were met by all seven studies: the selection criteria were specified (Item 1); the allocation to the different groups was hidden (Item 3); as concerns the most important prognostic indicators, the groups were similar at baseline (Item 4); and all subjects were blinded (Item 5)
Summary
Physical training programmes are based on provoking a state of transient fatigue, increasing the body’s regenerative capacity and inducing overcompensation of the biological systems involved [1]. Strenuous exercise, defined as any activity that expends six metabolic equivalents (METS) per minute or more, causes structural damage to muscle cells, leading to pain and swelling, increased free radicals, impaired immune function and the removal of proteins from circulation, among other consequences [2,3,4]. These processes have various clinical manifestations, including inflammation and immunosuppression, which heightens vulnerability to infection [1]. Administration of antioxidant susbtances may reduce muscle damage and oxidative stress markers
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