Go for foods that naturally high in probiotics and also fiber-rich prebiotics.
Probiotic-Rich foods:
1.Yogurt,Kefer,Butter milk,Creme fraiche, lassie a drink made from yogurt and water, Aged cheeses such as bleu, gouda and chedar.
2. Britned Pickes, tahgy chutneys, Brined Olives, Sauerkraut and its ethnic variations - kimchi9korean), tsukemono (Japanese), Choucroute(French), Sauerruben(fermented sour turnips), Pickled beets.
3. Misp, Tempeh, Natto, Soy Sauce, Tamari
4. Traditional Sourdough Breads
5. Kombucha
Prebiotic Rich Foods:
1.Tomatoes, artichokes, onions, chicory, greens(especially dandlion greens), asparagus, garlic, leeks
2. Berries, bananas
3. Oatmeal, Barley, flaxseeds,
4. Lentils, Kidney beans, chickpeas, navy beans, white beans, black beans