What role does Testosteron play in gut health?

Testosterone plays a multifaceted but not fully clarified role in gut health. Research suggests it can influence the gut microbiome composition – for instance, sex differences in microbial diversity are partly attributed to hormonal profiles. Testosterone also exhibits anti-inflammatory properties and may support intestinal barrier integrity, which could be relevant in conditions like inflammatory bowel disease (IBD). However, effects are highly individual and confounded by diet, age, medications, and genetics. Current evidence is largely based on animal models and observational human studies; large-scale randomized trials are lacking. Therefore, no firm clinical recommendations for testosterone supplementation to improve gut health can be made. For supporting gut health, proven strategies such as a high-fiber diet, regular exercise, stress management, and targeted probiotics (under medical guidance) remain the cornerstone. Consumer DNA or hormone tests alone do not provide actionable insights in this area. Evidence: moderate but incomplete.