Runners, take note: a recent meta-analysis of nearly 6,000 endurance athletes reveals that higher intake of fat, fiber, and overall calories significantly reduces injury risk—while other staples like carbs, protein, alcohol, and calcium showed little effect.
The Findings
The findings are revealing: Higher fat and fiber intake correlate with fewer running-related injuries (e.g., strains, stress fractures); runners consuming more total calories showed lower injury rates; and the traditional emphasis on high-carb or high-protein diets didn’t significantly impact injury prevention according to the study in the Journal of Science and Medicine in Sport.
Why it Matters
Proper nutrition plays a critical role in injury prevention for runners—not just in terms of what’s eaten, but how much and how well it supports overall recovery. One major concern is energy deficiency. When runners consume fewer calories than they expend, their bodies can begin to break down muscle tissue and lose bone density, leading to increased susceptibility to stress fractures and other injuries. These effects are hallmarks of RED-S (Relative Energy Deficiency in Sport), a condition that impairs both performance and long-term health. In addition to total energy intake, the quality of the diet also matters.
Healthy fats are essential for hormone production, cell membrane integrity, and the absorption of fat-soluble vitamins—all of which are crucial to tissue repair and physical resilience. Fiber, too, plays a valuable role by nurturing a robust gut microbiome. A healthy gut supports systemic wellness by reducing inflammation, strengthening immunity, and improving nutrient absorption—factors that collectively contribute to better recovery and reduced injury risk.
Practical Tips for Runners
To support injury prevention and performance, runners can follow these practical, nutrition-focused strategies:
- Balance your plate: Add avocados, nuts, olive oil, seeds, and oily fish alongside whole grains and lean proteins.
- Prioritize calories: Especially during training peaks, ensure caloric intake aligns with energy expenditure.
- Include pre-/post-run snacks: Mix fats and carbohydrates (e.g. nut butter with fruit on whole-grain toast) to fuel and recover effectively.
- Track macros smartly: Aiming for roughly 20–35% of daily calories from fat, 50–65% from carbs, and 10–20% from protein is a good starting point.
- Consult a sports dietitian: Particularly if injury recurrence is an issue, a personalized nutrition strategy can make all the difference.
Final Thoughts
Nutrition is a critical lever in running injury prevention—but not in the way you’d expect. Rather than fixating on protein shakes or carb-loading, runners should focus on adequate energy intake, healthy fats, and gut-supportive fiber. When combined with smart training and recovery protocols, nutrition becomes a foundational orthopedic safeguard.
References
Colebatch, E. A., Hill, A., & colleagues. (2025). Diet, risk of disordered eating and running-related injury in adult distance runners: A systematic review and meta-analysis of prospective cohort studies. Journal of Science and Medicine in Sport, 28, [page numbers pending]. https://doi.org/%5Binsert DOI if available]Mountjoy, M., Ackerman, K. E., Bailey, D. M., Burke, L. M., Constantini, N., Hackney, A. C., Lebrun, C. M., Lundy, B., Melin, A., Meyer, N. L., & Tenforde, A. S. (2023). 2023 International Olympic Committee consensus statement on relative energy deficiency in sport (RED‑S). British Journal of Sports Medicine, 57(17), 1073–1098. https://doi.org/10.1136/bjsports-2023-106874
