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Related Experiment Video

Updated: Oct 16, 2025

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Micronutrients and athletic performance: A review.

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  • 1School of Sport, Exercise and Nutrition, College of Health, Massey University, New Zealand, Private Bag 102904, North Shore, Auckland, 0745, New Zealand.

Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association
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Micronutrient supplements like iron and vitamin D do not enhance athletic performance in well-nourished athletes. Excessive intake may hinder training adaptations; consult a professional for specific needs.

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Area of Science:

  • Sports Nutrition
  • Exercise Physiology
  • Nutritional Biochemistry

Background:

  • Optimizing nutrition is crucial for athletic performance and training adaptation.
  • Athletes commonly use micronutrient supplements for various perceived benefits.
  • Recent literature on specific micronutrients and physical performance requires synthesis.

Purpose of the Study:

  • To review recent literature on the effects of key micronutrients on athletic performance.
  • To investigate the impact of iron, vitamin C, vitamin E, vitamin D, and calcium supplementation.
  • To assess the effectiveness of micronutrient supplementation in athletes.

Main Methods:

  • Systematic review of studies published in the last ten years.
  • Analysis of research investigating micronutrient impacts on athletic performance.
  • Synthesis of findings from multiple reviews on micronutrient use and effectiveness.

Main Results:

  • Current evidence suggests micronutrient supplementation does not enhance physical performance in well-nourished athletes.
  • Excessive intake of supplements may negatively impact physiological responses to exercise and training adaptation.
  • Supplementation may be warranted in cases of diagnosed deficiency, low energy intake, or altitude training.

Conclusions:

  • Well-nourished athletes are unlikely to benefit from routine micronutrient supplementation for performance enhancement.
  • Medical professional guidance is essential for prescribed micronutrient supplementation in specific circumstances.
  • Athletes should prioritize obtaining adequate micronutrients through a balanced and varied diet.