Endurance Athletes Need More Protein
Exploring the implications of increased protein requirements during intensified training periods.
This study, "Protein Requirements Are Increased in Endurance-Trained Athletes but Similar between Females and Males during Postexercise Recovery" (PMID: 37710376) investigates the protein needs of endurance-trained athletes, focusing on both male and female participants.
Key Points
Increased Protein Needs:
The study confirms that endurance athletes require higher protein intakes (1.2–2.0g per kg of BW per day) to support recovery and muscle synthesis. Specifically, the research suggests that optimal protein intake for both males and females is approximately 1.85g per kg of BW per day.
Methodology:
8 male and 7 female trained endurance athletes participated in the study. The researchers utilised a non-invasive stable isotope method (indicator amino acid oxidation) to assess whole-body protein synthesis during post-exercise recovery.
Findings:
The study found no significant difference in protein oxidation between sexes; both males and females had similar protein requirements (1.60g/kg each day for males and 1.61g/kg each day for females).
The recommended protein intake was estimated to be 1.81g/kg/day for males and 1.89g/kg/day for females, indicating that both sexes benefit from higher protein intakes during recovery.
Ecological Validity:
Conducted in a home-based setting, the study addresses the limitations of previous laboratory studies, enhancing ecological validity by reflecting real-world training conditions.
Sex-Based Considerations:
While previous research often focused on male athletes, this study emphasises the need for inclusive research that considers female athletes' specific nutritional needs.
