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Grape polyphenols supplementation for exercise-induced oxidative stress.

Edurne Elejalde1, Mari Carmen Villarán2, Rosa María Alonso3

  • 1TECNALIA, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Álava c/ Leonardo Da Vinci, 11, 01510 Miñano (Álava), Spain. edurne.elejalde@tecnalia.com.

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Grape supplementation may help athletes manage exercise-induced oxidative stress. This review examines how grape beverages and extracts impact antioxidant status and exercise adaptation in athletes.

Keywords:
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Area of Science:

  • Sports Science
  • Nutritional Biochemistry
  • Exercise Physiology

Background:

  • Exercise increases reactive oxygen species, potentially leading to oxidative stress.
  • Oxidative stress, an imbalance in antioxidant defense, can negatively impact athletic performance.
  • Antioxidant supplements can aid in maintaining optimal antioxidant status during strenuous physical activity.

Purpose of the Study:

  • To review the effects of grape-based supplements on oxidative stress markers in athletes.
  • To synthesize current knowledge on grape beverages and extracts as ergogenic aids.
  • To analyze data on polyphenol dosages, participant characteristics, and exercise protocols.

Main Methods:

  • Literature review of studies on grape supplementation and athletic oxidative stress.
  • Analysis of data concerning polyphenol content in grape products.
  • Examination of various exercise protocols and athlete demographics.

Main Results:

  • Grapes are rich in polyphenols, potent natural antioxidants.
  • Grape polyphenols have demonstrated benefits in mitigating exercise-induced oxidative stress.
  • Evidence suggests grape supplementation may support athlete recovery and adaptation.

Conclusions:

  • Strategic supplementation with grape products is a promising strategy to combat exercise-induced oxidative stress.
  • Grape beverages and extracts show potential for improving antioxidant status in athletes.
  • Further research is warranted to optimize dosages and protocols for athletic performance enhancement.