What to Eat After the Stomach Flu or Food Poisoning 1. Something Bland Many health experts recommend the BRAT diet (bananas, rice, applesauce, toast) at first. 2. Coconut Water Coconut water is packed with electrolytes without having tons of sugar. 3. Pedialyte Many doctors and dietitians recommend Pedialyte for preventing or treating dehydration in adults. 4. Yogurt Yogurt can replenish beneficial gut bacteria and stabilize your blood sugar. 5. Fermented Foods Fermented foods, such as ginger kombucha can restore gut bacteria, help with nausea, and replace fluids. 6. Smoothies You may experience temporary lactose intolerance as your system gets back on track. Non-dairy smoothies are an easy-to-digest option. 7. Chicken Noodle Soup You get fluids from the broth, protein from the chicken, and carbohydrates from the pasta thanks to this home remedy recipe.