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Behavioral Disturbances: An Innovative Approach to Monitor the Modulatory Effects of a Nutraceutical Diet
07:05

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Published on: January 3, 2017

Dietary supplements and team-sport performance.

David Bishop1

  • 1Institute of Sport, Exercise and Active Living (ISEAL) and School of Sport and Exercise Science, Victoria University, Melbourne, Victoria, Australia. David.Bishop@vu.edu.au

Sports Medicine (Auckland, N.Z.)
|November 10, 2010
PubMed
Summary

This review evaluates dietary supplements for team sports, finding caffeine, creatine, and sodium bicarbonate enhance performance. However, more research is needed on combined supplement effects and long-term health impacts for athletes.

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Area of Science:

  • Sports Science
  • Nutritional Biochemistry
  • Exercise Physiology

Background:

  • Athletes often use dietary supplements to enhance performance.
  • The market for performance-enhancing supplements is substantial, yet scientific evidence is often lacking.
  • Few reviews focus on supplements specifically for team-sport athletes.

Purpose of the Study:

  • Critically evaluate the ergogenic value of common dietary supplements for team-sport athletes.
  • Assess the health implications of commonly promoted dietary supplements.
  • Investigate the effects of combined supplement intake.

Main Methods:

  • Literature review of scientific evidence on dietary supplements.
  • Focus on substances not banned by the World Anti-Doping Agency.
  • Analysis of studies using team-sport relevant performance metrics.

Main Results:

  • Caffeine, creatine, and sodium bicarbonate show evidence of improving multiple-sprint performance.
  • Evidence for β-alanine and colostrum is less robust.
  • Current evidence does not support ribose, branched-chain amino acids, or β-hydroxy-β-methylbutyrate for well-trained athletes.
  • Most supplements appear safe at recommended doses, but high-dose effects are unknown.
  • Limited research exists on the combined effects and health risks of ingesting multiple supplements.

Conclusions:

  • Some dietary supplements can enhance team-sport performance, but efficacy varies.
  • Further research is crucial, using team-sport specific protocols and athletes.
  • The health effects of high-dose and combined supplement use require investigation.