There was a time when every Indian household had its own unwritten rules about food. Curd set at home, a bowl of khichdi during illness, fermented batter waiting overnight in the kitchen and a spoonful of ghee over steaming rice were not wellness trends. They were simply everyday habits.
Now, science appears to be catching up with what grandmothers have known for generations. The gut is increasingly being described as the body's "second brain." Researchers are finding that the trillions of microbes living inside the digestive system influence far more than digestion. Immunity, metabolism, inflammation, mood, sleep quality and even skin health are all linked to the gut microbiome.
Why Is Gut-Friendly Food Important?
According to the National Institutes of Health (NIH), the human gut microbiome plays a key role in health and disease. Studies suggest that maintaining a diverse microbiome may help support metabolic and immune functions. Urban lifestyles, however, are creating problems. Long work hours, irregular meals, stress, processed foods and lack of fibre are increasingly contributing to bloating, acidity and digestive discomfort.
"Indian kitchens have always had many gut-friendly foods in their repertoire but modern eating habits are slowly phasing them out of our daily diets," said Charu Dua, Nutritionist at Amrita Hospital, Faridabad. "Often people don't realize the importance of gut health until they suffer from persistent acidity, bloating, irregular digestion, low energy or repeated infections. Most people don't realize the role the gut microbiome plays in health," she explained.
Here are seven foods nutritionists continue to recommend, and the people who may benefit from them the most.
1. Homemade Curd: The Humble Probiotic Powerhouse
Among the oldest foods in Indian kitchens, curd remains one of the most trusted allies for digestion. Curd naturally contains beneficial bacteria that help maintain a healthy balance in the gut. It also provides protein, calcium and several vitamins. People who frequently experience bloating, mild digestive discomfort or those recovering from antibiotic use may benefit from including curd regularly, provided they tolerate dairy well. Research published by the National Center for Biotechnology Information (NCBI) has highlighted the role of probiotics in improving gut microbial balance and digestive health. Especially during summer, a bowl of fresh dahi can be both soothing and nourishing.
2. Kanji: The Forgotten Fermented Drink Making a Comeback
Long before kombucha became fashionable, North India had kanji. Prepared from black carrots, mustard seeds and water, this traditional fermented drink naturally develops beneficial microbes. Fermentation helps increase microbial diversity inside the gut. People who consume very little fermented food or those looking for healthier beverage options may find kanji worth revisiting. It's one of those recipes that quietly disappeared from urban homes, even though it may have been doing far more than quenching thirst.
3. Idli and Dosa: Breakfast That Feeds Your Microbiome
The overnight fermentation involved in making idli and dosa batter is not just about taste. Fermentation allows beneficial microbes to grow and improves nutrient absorption. It also makes food easier to digest. These South Indian staples are especially useful for older adults, children and people with sensitive stomachs who need foods that are filling without being too heavy.
4. Bananas: Food for Your Good Bacteria
Bananas do not contain probiotics, but they do contain prebiotic fibre. In simple terms, prebiotics feed the healthy bacteria already present in the gut. This makes bananas especially helpful for people struggling with constipation or those whose diets are low in fibre. Green bananas contain resistant starch, which is known to support gut bacteria.
5. Lentils and Beans: Fibre Your Gut Bacteria Crave
Rajma, chana, masoor dal and moong dal provide what many modern diets lack: fibre. Gut bacteria thrive on dietary fibre. When these microbes ferment fibre, they produce short-chain fatty acids that help maintain the health of the intestinal lining. People with sedentary lifestyles, those prone to constipation and anyone consuming excessive processed foods may benefit from increasing pulses in their meals.
6. Moong Dal Khichdi: Comfort Food That Does More Than Comfort
Few foods are as comforting as khichdi. Made with rice and lentils, it delivers carbohydrates, protein and fibre in an easily digestible form. It is often recommended during illness because it places less stress on the digestive system. People recovering from stomach infections, older adults and those experiencing digestive distress may find khichdi particularly soothing. Its simplicity is precisely what makes it effective.
7. Desi Ghee: Not an Enemy When Used Wisely
For years, many people feared fats altogether. But nutritionists say moderation matters more than elimination. Traditional desi ghee contains butyrate, a short-chain fatty acid associated with supporting the gut lining. Though more research is ongoing, moderate amounts of ghee can be part of a healthy diet. People following extremely restrictive diets or avoiding all fats without medical advice may unknowingly deprive themselves of nutrients necessary for overall health.
Lifestyle Factors for Gut Health
"Lifestyle is as much a factor in gut health as food choices," said Mrs. Dua. "Eating late at night, chronic stress, dehydration, poor sleep and too many ultra-processed foods can slowly sabotage your gut health over time. Generally, the most effective ones are small, regular modifications to your diet." She added that better gut health often reflects across the body. "When digestion improves, people generally report more energy, better immunity, healthier skin, less bloating and a better overall sense of wellbeing. The gut affects a lot more systems in the body than we thought."
This article includes expert inputs shared with TOI Health by Charu Dua, Nutritionist at Amrita Hospital, Faridabad. Inputs were used to explore the seven everyday foods nutritionists consistently recommend for a healthier gut, explaining how these traditional staples support beneficial bacteria, improve digestion and overall well-being, and why experts advise adopting simple dietary habits instead of relying on expensive trends or quick fixes.
