A healthy digestive system relies on a balanced gut microbiota. These bacteria break down and metabolize certain food components, producing beneficial substances for the body while also maintaining the gut barrier and digestive function.

The gut microbiota also connects to overall health, influencing immunity, metabolism, and brain function.

Probiotic-rich snacks

Probiotics are living microorganisms that offer health benefits when consumed in appropriate amounts. Fermented foods such as yogurt, kimchi, and sauerkraut contain these beneficial bacteria.

According to Healthline, high temperatures can reduce the number of live microorganisms. Therefore, consume these foods following storage guidelines and limit cooking. Introduce them gradually, combining them with diverse fiber-rich foods for enhanced gut health.

Yogurt, rich in probiotics, supports digestion. *Photo: Bui Thuy*

Fiber-rich snacks

Fiber is not fully digested in the small intestine. Gut bacteria ferment some of it, producing substances that help maintain a healthy microbiota. Fiber also absorbs water, increasing stool volume and aiding bowel movements, thereby preventing constipation. Regularly consume fiber-rich foods such as bananas, avocados, apples, oats, and brown rice.

Polyphenol-providing snacks

Polyphenols are natural plant compounds found in abundance in berries like raspberries, blueberries, and strawberries, as well as in soybeans, almonds, and walnuts. Some polyphenols possess antioxidant properties, are metabolized by the gut microbiota, and can influence gut bacterial activity.

Incorporating diverse polyphenol-rich foods into the diet can help reduce oxidative stress, support digestion, and promote overall health.

Regularly combining these three snack types boosts beneficial bacteria in the gut microbiota. For example, prepare a smoothie with bananas, chia seeds, raspberries, and Greek yogurt. Overnight oats can be made with chia seeds, unsweetened cocoa powder, peanut butter, and yogurt. A breakfast of whole-wheat toast with avocado and a little cheese provides fiber, probiotics, and polyphenols.

According to Very Well Health, introduce these food groups gradually, avoiding excessive consumption at once to prevent bloating and abdominal discomfort. When increasing fiber intake, drink plenty of water to reduce the risk of constipation.

Anh Chi (Compiled)