Your gut is home to trillions of good bacteria that act like a natural defense system. But stress, poor diet, frequent antibiotics, or infections can disturb this balance, leading to diarrhea, bloating, or even recurrent gut infections. This is where probiotics come in. What are probiotics? Probiotics are “good bacteria” that restore healthy gut flora and support digestion, immunity, and protection against harmful microbes. How do probiotics help prevent gut infections? • Compete with harmful bacteria so infections like Clostridioides difficile or antibiotic-associated diarrhea are less likely • Boost immunity by improving the gut barrier • Restore balance after antibiotic treatment or gastrointestinal illness • Reduce traveler’s diarrhea risk when taken before and during trips ID Physician’s Take: • Probiotics are not a replacement for antibiotics when needed, but they lower the risk of gut side-effects and infections • Not all probiotics are equal – strains like Lactobacillus rhamnosus GG and Saccharomyces boulardii have the strongest evidence • Should be used with caution in critically ill or immunocompromised patients Bottom line: Adding probiotics (through supplements or probiotic-rich foods like yogurt, kefir, kombucha) can support gut health, reduce infection risk, and help recovery – but always consult a doctor for the right choice and duration. Healthy gut = stronger immunity = fewer infections.