A study on male distance runners found no performance improvement from probiotics. Participants received either a probiotic or placebo while maintaining a controlled diet. The probiotic did not affect exercise performance or inflammation.

The study highlights that probiotics may not be a reliable performance enhancer. The results suggest that other factors like diet and training are more crucial for performance. The study emphasizes the importance of reliable nutrition and training for runners. Read more everyday miles coverage.

While probiotics may benefit gut health, they do not improve running performance according to this research. Runners should focus on balanced nutrition and consistent training for better results. Related: Simplifying Strength Training for Runners.

This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.