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Human Performance Enhancement in Sports and Exercise: Nutritional Factors - Protein.

Anthony C Hackney¹

¹Director Applied Physiology Laboratory., University of North Carolina., Chapel Hill, North Carolina USA.

Revista Universitaria De La Educacion Fisica Y El Deporte

|June 23, 2026

Summary

Athletes require significantly more dietary protein than sedentary individuals, with needs 1.5 to 2.0 times higher than the standard recommended dietary allowance. Optimal protein intake for athletes depends on exercise type, intensity, duration, and individual factors.

Keywords:

Adaptation Anabolism Diet Exercise Training Myoplasticity

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Area of Science:

Sports Nutrition
Exercise Physiology
Dietary Protein

Background:

Debate exists among sports nutritionists regarding increased protein needs for athletes.
Previous research indicates athletes have higher protein requirements than non-athletes.

Purpose of the Study:

To address the question of whether athletes need more protein than non-athletic individuals.
To discuss protein recommendations for athletes and influencing factors.

Main Methods:

Review of research on protein requirements for athletes.
Analysis of factors influencing protein needs.

Main Results:

Evidence supports that athletes require 1.5 to 2.0 times the recommended dietary allowance for protein.
Protein needs vary based on exercise specifics, gender, age, health, and dietary patterns (e.g., vegetarianism).

Conclusions:

Athletes, both strength and endurance, have elevated protein requirements.
Coaches and athletes should consider individual factors for optimizing amino acid and protein consumption to enhance performance.