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Vitamin E status and response to exercise training

P M Tiidus1, M E Houston

  • 1Department of Physical Education, Wilfrid Laurier University, Waterloo, Ontario, Canada.

Sports Medicine (Auckland, N.Z.)
|July 1, 1995
PubMed
Summary
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Vitamin E supplementation offers no significant benefits for athletic performance or recovery. Despite its antioxidant role, current evidence does not support its use for athletes seeking improved exercise outcomes.

Area of Science:

  • Exercise Physiology
  • Nutritional Science
  • Biochemistry

Background:

  • Vitamin E functions as an intramembrane antioxidant and membrane stabilizer.
  • Historically, vitamin E supplementation has been recommended for athletes to enhance performance, reduce muscle damage, and improve recovery.

Purpose of the Study:

  • To evaluate the efficacy of vitamin E supplementation in improving athletic performance, exercise-induced muscle damage, and post-exercise recovery.
  • To assess the impact of high-dose vitamin E supplementation on tissue and serum vitamin E concentrations in athletes.

Main Methods:

  • Review of existing scientific literature concerning vitamin E supplementation and athletic performance.
  • Analysis of studies investigating the effects of vitamin E on exercise outcomes and physiological markers.

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Main Results:

  • Conclusive evidence supporting benefits of vitamin E supplementation for exercise performance or recovery is lacking.
  • High-dose vitamin E supplementation results in only modest increases in tissue or serum concentrations.
  • No discernible effect of vitamin E supplementation on performance, training adaptation, or recovery rate was observed in athletes.

Conclusions:

  • There is currently insufficient evidence to recommend vitamin E supplementation for athletes.
  • While not demonstrably harmful, the practice of vitamin E supplementation for athletes lacks a strong scientific basis for performance enhancement.