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Dietary Nitrate and Physical Performance.

Andrew M Jones1, Christopher Thompson1, Lee J Wylie1

  • 1Department of Sport and Health Sciences, University of Exeter, Exeter EX1 2LU, United Kingdom;

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|August 22, 2018
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Summary
This summary is machine-generated.

Dietary nitrate supplementation, often from beetroot juice, can boost physical performance. It enhances muscle efficiency for endurance and power, counteracting declines from aging or illness.

Keywords:
exercisemetabolismmusclenitric oxidenutritionphysiology

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Area of Science:

  • Physiology
  • Sports Science
  • Nutrition Science

Background:

  • Nitric oxide (NO) is vital for health, but its production decreases with age and disease.
  • Dietary nitrate and nitrite can supplement endogenous nitric oxide (NO) production.
  • Nitrate-rich foods, like green leafy vegetables, can increase NO availability.

Purpose of the Study:

  • To review the physiological mechanisms behind dietary nitrate's ergogenic effects.
  • To identify conditions favoring nitrate supplementation's benefits on physical performance.
  • To discuss the impact of dietary nitrate on diverse human populations.

Main Methods:

  • Review of recent scientific literature on dietary nitrate supplementation.
  • Analysis of studies investigating beetroot juice as a common nitrate source.
  • Examination of physiological mechanisms and performance outcomes.

Main Results:

  • Dietary nitrate improves muscle efficiency, lowering oxygen cost during submaximal exercise.
  • Enhanced skeletal muscle contractile function leads to better power and sprint performance.
  • Ergogenic effects are observed across various populations and exercise types.

Conclusions:

  • Dietary nitrate supplementation offers significant benefits for physical performance.
  • Understanding NO metabolism is key to optimizing athletic and health outcomes.
  • Nitrate supplementation presents a viable strategy to enhance exercise capacity and muscle function.