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Supplementation patterns in marathon runners.

D C Nieman1, J R Gates, J V Butler

  • 1Department of Nutrition, School of Public Health, Loma Linda University, California 92350.

Journal of the American Dietetic Association
|November 1, 1989
PubMed
Summary
This summary is machine-generated.

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Endurance runners

Area of Science:

  • Sports Nutrition
  • Exercise Physiology

Background:

  • Supplement use is prevalent among athletes.
  • Understanding patterns in endurance runners is crucial for targeted nutritional guidance.

Purpose of the Study:

  • To investigate supplement usage patterns in marathon runners.
  • To examine associations between supplement use and runner demographics, diet, training, and performance.

Main Methods:

  • Analysis of 3-day dietary records from 347 endurance runners.
  • Assessment of nutrient intake and supplement consumption.
  • Statistical investigation of supplementation patterns.

Main Results:

  • No significant associations found between supplement use and demographics, diet quality, training, or performance.

Related Experiment Videos

  • Supplement use, particularly vitamins C, E, calcium, and zinc, increased with age.
  • 29% of runners used supplements daily; 48% used them within the 3-day period.

    • Conclusions:

    • Supplementation patterns in endurance runners are complex and not strongly linked to performance or training variables.
    • Age appears to be a factor influencing the use of certain supplements.
    • Further research is needed to understand the motivations and efficacy of supplement use in this population.