What vitamin prevents stomach bug? A Guide to Gut-Health Nutrition
                                
                                
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                                    4 min read                                
                            
                                While no single nutrient can completely prevent a stomach bug, a well-nourished immune system is your best defense. A diet rich in specific vitamins and minerals, along with supportive probiotics, builds the resilience needed to fend off or quickly recover from stomach bug-causing viruses and bacteria.