Why does urad dal cause gas and bloating?

Urad dal is a common ingredient in Indian cuisine, appearing in dishes like dal makhani and as a batter for idli and dosa. However, some individuals experience bloating and gas after consuming it. Dr. Kanikka Malhotra, a dietician and diabetes educator, explains that urad dal contains sugars called raffinose and stachyose, which the human body lacks enzymes to digest.

These sugars reach the large intestine, where gut bacteria ferment them, producing gas and leading to bloating. Additionally, urad dal is high in protein and fiber, which can cause a heavier sensation in the stomach, especially when eaten in large quantities or combined with rich ingredients. People with irritable bowel syndrome, constipation, or sensitive digestive systems are more likely to experience discomfort after eating urad dal.

Those new to fiber-rich foods may also encounter gas if they suddenly increase their intake. The way urad dal is prepared and the portion size can also impact digestion. Soaking the dal before cooking can help reduce gas-causing compounds. Thoroughly cooking urad dal until soft can make it easier to tolerate. Fermentation or sprouting can further improve digestibility for some people.

Choosing the type of urad dal and portion size carefully can also aid in digestion. Starting with a small serving, around 25-30 grams of raw dal, and gradually increasing intake while adding digestive spices like hing and cumin may help. Combining urad dal with moong dal or pairing it with easily digestible foods like rice can also alleviate discomfort.

Eating the meal at lunch rather than late at night and going for a short walk after eating can further support digestion. While feeling bloated after urad dal does not necessarily mean one should avoid it, if the discomfort persists, is severe, or is accompanied by other symptoms, consulting a healthcare professional is advisable.