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Related Experiment Videos

Studies on selenium in top athletes.

I Drâgan1, E Ploeşteanu, E Cristea

  • 1Faculty of Medicine, Sports Medicine Department, Bucharest.

Physiologie (Bucarest)
|October 1, 1988
PubMed
Summary

Selenium supplementation may offer antioxidant benefits for athletes. Studies show it can alter lipid peroxides and glucose-6-phosphate dehydrogenase levels, potentially aiding recovery and performance.

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Area of Science:

  • Sports Medicine
  • Nutritional Biochemistry
  • Human Physiology

Background:

  • Athletes experience oxidative stress during intense training.
  • Selenium is an essential trace element with known antioxidant properties.
  • Understanding selenium's effects on athletic performance markers is crucial.

Purpose of the Study:

  • To investigate the chronic and acute antioxidant effects of selenium supplementation in elite athletes.
  • To assess changes in key biomarkers related to oxidative stress and energy metabolism.

Main Methods:

  • A controlled crossover trial involving 18 female athletes (weightlifters and rowers).
  • Measurement of serum nonprotein--SH (glutathione), lipid peroxides (MDA), G-6-PDH, and aldolase.
  • Supplementation with 100 micrograms/day selenium or placebo for 3 weeks, with a washout period.
  • An acute trial assessed parameters after training with 150 micrograms selenium or placebo.

Main Results:

  • Selenium treatment significantly altered lipid peroxides and glucose-6-phosphate dehydrogenase (G-6-PDH) levels.
  • Nonprotein--SH (glutathione) showed non-significant changes.
  • These alterations suggest a potential antioxidant effect of selenium in athletes.

Conclusions:

  • Selenium supplementation may exert antioxidant effects in athletes, influencing key metabolic and oxidative stress markers.
  • Further research is warranted to fully elucidate selenium's role in athletic performance and recovery.

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