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Protein supplement users among high school athletes have misconceptions about effectiveness.
Margaret C Duellman1, Judith M Lukaszuk, Aimee D Prawitz
1School of Family, Consumer, and Nutrition Sciences, Northern Illinois University, DeKalb, Illinois, USA.
Journal of Strength and Conditioning Research
|June 12, 2008
Summary
Athletes often misunderstand protein supplements. Dietary protein is as effective as supplements for muscle growth, but supplement users show more misconceptions, likely due to advice from non-experts.
Area of Science:
- Sports Nutrition
- Dietary Supplements
- Exercise Physiology
Background:
- Athletes require increased protein intake for muscle protein synthesis.
- Protein supplements are widely used by athletes for performance enhancement.
- The necessity and effectiveness of protein supplements over whole foods remain debated.
Purpose of the Study:
- To investigate misconceptions about protein supplement effectiveness among high school football players.
- To identify the relationship between protein supplement use and the level of misconceptions.
- To explore the influence of information sources on these misconceptions.
Main Methods:
- A survey questionnaire was administered to high school football players.
- The Protein Supplement Misconceptions Index was used to measure misconceptions.
- Statistical analysis, including t-tests and Bonferroni post hoc tests, was performed.
Main Results:
- Protein supplement users exhibited significantly higher misconception scores than non-users.
- Supplement users were more likely to believe supplements are essential for muscle gain.
- Coaches, parents, and friends were primary advice sources for supplement users, correlating with higher misconceptions.
Conclusions:
- Misconceptions about protein supplements are prevalent among young athletes, particularly supplement users.
- Dietary protein sources appear as effective as supplements for muscle protein synthesis.
- Targeted nutrition education for athletes and their influencers is crucial to correct these misconceptions.
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