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Probiotics for Men: What Are the Benefits and Risks to Systemic Health?

Inside every human gut lies a metropolis: an intricate, bustling world of bacteria that outnumbers human cells and profoundly influences health. For men, this microbial ecosystem is increasingly being recognized as a silent partner in processes far beyond digestion. From testosterone levels to mood, immunity, and metabolic balance, the gut microbiome may be one of the body’s most underrated organs. In this microbial renaissance, probiotics, which are live microorganisms that can confer health benefits, have emerged as a frontier of personalized wellness. But can swallowing a capsule of “good bacteria” really improve male health? And at what cost?