• Training harder could be rewiring your gut bacteria Regular exercise supports both physical and mental health. • Now, new findings from Edith Cowan University (ECU) suggest that how intensely you train may also influence the makeup of your gut microbiome. • Bronwen Charlesson examined how different training loads, ranging from high intensity to lighter periods, affect athletes’ gut health. • Her goal was to better understand how changes in the gut microbiome might support improved health, well-being, and athletic performance. • Athletes and the Gut Microbiome “Based on previous research, it appears that athletes have a different gut microbiota when compared with the general population. • This includes greater total short chain fatty acid concentrations, alpha diversity, an increased abundance of some bacteria and a lower abundance of others,” she said.

Article Summaries:

  • Summary

A study by Edith Cowan University shows that the intensity of training can alter athletes’ gut microbiome. Researchers found that high‑intensity workouts increased short‑chain fatty acids and shifted bacterial species, while periods of reduced training led to poorer diet quality, slower gut transit, and further microbial changes. The findings suggest that lactate produced during intense exercise may influence gut bacteria, and that diet and digestion during rest periods also impact microbial composition. Although the exact link to performance remains unclear, the work highlights the gut’s potential role in athletic health and recovery.

  • Training harder could be rewiring your gut bacteria - Date: - February 23, 2026 - Source: - Edith Cowan University - Summary: - Training harder may do more than build muscleâit could transform your gut. Researchers found that intense workouts change the balance of bacteria and important compounds in athletesâ digestive systems. When training loads dropped, diet quality slipped and digestion slowed, triggering different microbial shifts. These hidden changes might influence performance in ways scientists are only beginning to understand. - Share: Regular exercise supports both physical and ment

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