Can Helicobacter help with Sport?

The idea that Helicobacter pylori could enhance sports performance lacks scientific support. H. pylori is a pathogen linked to gastritis, peptic ulcers, and gastric cancer. Some observational studies have reported a negative association between H. pylori infection and obesity, leading to speculation about a possible metabolic benefit. However, the evidence is weak and inconsistent. H. pylori infection can cause iron deficiency, vitamin B12 malabsorption, and chronic inflammation—all detrimental to athletic recovery and performance. No controlled trials have demonstrated improved endurance, strength, or recovery in infected individuals. The notion of H. pylori 'helping' with sport is based on unconfirmed hypotheses and should not be acted upon. For athletes, a healthy gut microbiome without pathogenic bacteria is preferable. Deliberate infection or use of H. pylori is not medically indicated and carries significant risks. Evidence: unclear – no robust human studies with sports-related outcomes exist.