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Related Experiment Videos

Influence of vitamin E on physical performance.

I Simon-Schnass1, H Pabst

  • 1Hermes Arzneimittel GmbH, medizinisch-wissenschaftliche Abteilung, Grosshesselohe/München.

International Journal for Vitamin and Nutrition Research. Internationale Zeitschrift Fur Vitamin- Und Ernahrungsforschung. Journal International De Vitaminologie Et De Nutrition
|January 1, 1988
PubMed
Summary

Vitamin E supplementation improved physical performance in high-altitude climbers by enhancing energy metabolism and acting as an antioxidant. This study found vitamin E beneficial for endurance and cellular protection at extreme altitudes.

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Area of Science:

  • Exercise Physiology
  • Nutritional Biochemistry
  • Altitude Medicine

Background:

  • Vitamin E possesses properties beneficial for physical performance, including economical energy metabolism and antioxidant stabilization.
  • High altitude environments pose physiological challenges that can impact physical performance and increase oxidative stress.

Purpose of the Study:

  • To investigate the effects of vitamin E supplementation on physical performance and oxidative stress markers in high-altitude mountain climbers.
  • To assess the influence of vitamin E on anaerobic threshold and lipid peroxidation at high altitude.

Main Methods:

  • A 10-week expedition study involving 12 high-altitude mountain climbers, divided into a vitamin E treatment group (2x200 mg dl-alpha-tocopheryl acetate daily) and a placebo control group.
  • Monitoring of anaerobic threshold (AT) and pentane exhalation (a marker of lipid peroxidation) throughout the expedition.

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Main Results:

  • The vitamin E group showed a sustained increase in anaerobic threshold, while the control group experienced a significant decrease (p < 0.01).
  • Pentane exhalation, indicating lipid peroxidation, remained unchanged in the vitamin E group but more than doubled in the control group (p < 0.01).

Conclusions:

  • Vitamin E supplementation demonstrates a beneficial effect on physical performance, specifically enhancing endurance capacity at high altitudes.
  • Vitamin E provides significant cellular protection by mitigating lipid peroxidation in athletes undertaking strenuous activity in extreme environments.