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Does exogenous growth hormone improve athletic performance?

Heather Dean1

  • 1Section of Pediatric Endocrinology, Department of Pediatrics, University of Manitoba, Winnipeg, Manitoba, Canada. hdean@cc.umanitoba.ca

Clinical Journal of Sport Medicine : Official Journal of the Canadian Academy of Sport Medicine
|July 20, 2002
PubMed
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Human growth hormone (HGH) does not enhance muscle strength in trained athletes. This review found no evidence supporting HGH for performance improvement in this population.

Area of Science:

  • Sports Science
  • Endocrinology
  • Exercise Physiology

Background:

  • Human growth hormone (HGH) is an endogenous hormone with anabolic properties.
  • Its exogenous administration is explored for potential performance enhancement in athletes.

Purpose of the Study:

  • To critically appraise the scientific literature regarding the efficacy of HGH in improving athletic performance.
  • To determine if HGH supplementation benefits trained athletes.

Main Methods:

  • A comprehensive literature search was conducted using PubMed and reference lists of prior reviews.
  • Search terms included "growth hormone athletes" to identify relevant studies.
  • Study selection focused on randomized double-blind placebo-controlled trials of exogenous HGH in trained athletes.

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Main Results:

  • Only one study met the stringent inclusion criteria for the review.
  • This study investigated the effects of exogenous HGH on muscle power in trained athletes.

Conclusions:

  • The available evidence indicates no significant increase in muscle strength with HGH use in trained athletes.
  • Current literature does not support the use of HGH for enhancing athletic performance in this demographic.