5 Food Items With Probiotics To Improve Gut Health5 Food Items With Probiotics To Improve Gut Health1. Yoghurt is loaded with good bacteria which strengthens bones and keeps your gut healthy. 2. Kombucha is a great source of probiotics which improves your immunity. 3. Olives, especially green olives are rich in antioxidants and aid digestion. 4. Pickles are low in calories and high in Vitamin K and sodium. It keeps your stomach healthy. 5. Kimchi is filled with lactobacilli bacteria, which makes it an excellent source of probiotics.