Do Lentils Cause Gas? (2024)

Lentils are a type of legume that are native to Western Asia and Northern Africa. They’re incredibly healthy and have been enriching diets around the world since the days of ancient Romans and Egyptians.1 However, some people may avoid trying them for fear that they may lead to bloating. But do lentils really cause gas? Learn how to incorporate this healthy food into your diet without the bloat.

Why Do Lentils Cause Bloating?

Eating lentils can cause gas and bloating because they’re high in fiber that your body is unable to break down.2 While fiber plays a large role in supporting and regulating your digestive system and bowel movements, it can also produce bacteria that leads to cramping and gas pains.2

Another reason that lentils are known for causing gas and bloating is because they are high in what’s called raffinose.4 Raffinose family oligosaccharides (RFO) are known to cause stomach discomfort and bloating because the human body lacks the enzyme required to break them down within the digestive tract.4 Instead of being digested, these RFOs can sit in the intestines and ferment, causing gas and uncomfortable stomach distention.

Lentils are high in protein, potassium and folate while also being low in sodium and saturated fat.1 Studies have indicated that these legumes are linked to a reduced risk of cancer and can improve your cardiovascular health while giving you a boost of energy.2 If you can manage the side effects of gas and bloating that sometimes accompany a high-fiber food, lentils are an excellent addition to your diet.

How Can You Eat Lentils Without Getting Gassy?

Most American adults only consume 15 grams of fiber a day, despite needing 20-30 grams.3 So if you’ve decided to up your fiber intake to take advantage of its numerous health benefits – and there are many – you may notice that you’re considerably more bloated and gassier than you used to be.3

There are a few ways to add high-fiber foods, like lentils, to your diet without feeling that uncomfortable pressure and pain from gas:3,4

  • Add fiber-rich foods slowly. If you’re not used to a high-fiber diet, you may be feeling (and hearing) the effects more quickly than you’d like. Instead, add a little bit at a time so that your body can adjust.
  • Drink water. This can prevent the fiber from hardening and allow it to move through your body. When you’re thirsty, reach for flat water, rather than carbonated drinks that can cause you to feel gassy.
  • Avoid other behaviors that might make you feel gassy if you’re adding more fiber to your diet, like chewing gum.
  • Soak lentils before cooking them to minimize the gas they might cause. The soaking process will help get rid of some of the oligosaccharides, like raffinose that can make you feel gassy and bloated. Make sure you boil your lentils in a fresh pot of water, to ensure you’re not ingesting any extra soluble carbohydrates that might cause you discomfort!

Another way to eat lentils without worrying about side effects like bloating and gas is to take Gas-X. Keep Gas-X Extra Strength Chewables or softgels around to relieve occasional pressure, bloating and discomfort from gas in minutes.

Do Lentils Cause Gas? (2024)

FAQs

Do Lentils Cause Gas? ›

Eating lentils can cause gas and bloating because they're high in fiber that your body is unable to break down. While fiber plays a large role in supporting and regulating your digestive system and bowel movements, it can also produce bacteria that leads to cramping and gas pains.

How do you avoid gas when eating lentils? ›

Aim to soak your beans or lentils for at least 4 hours, and preferably overnight. Dump the soaking water (i.e. don't use it to cook the beans). Then be sure to give your beans/lentils a good rinse before cooking to wash away those gas-producing carbohydrates. Introduce them slowly.

Are lentils hard on your stomach? ›

Lentils, like some fruits and vegetables, contain fiber that's difficult for your body to break down. It also helps produce good bacteria in your gut. But too much can cause cramping and gas. To minimize these symptoms, Homan recommends gradually increasing your fiber intake.

Which lentils are least gassy? ›

Lentils, especially the red and yellow varieties, are celebrated for their digestibility. They contain fewer compounds that contribute to gas and bloating, making them a friendly option for those with sensitive stomachs.

What are the side effects of eating lentils? ›

If you eat fiber-rich lentils regularly, they can cause gas and bloating. If you are sensitive to fermentable oligosaccharides, disaccharides, monosaccharides and polyol (FODMAP) foods, lentils can cause discomfort, as well as bloating and gas in the colon.

Are lentils good for your gut? ›

Lentils are high in fiber, which supports regular bowel movements and the growth of healthy gut bacteria. Eating lentils can increase your stool weight and improve your overall gut function ( 5 ).

Are lentils bad for IBS? ›

Beans, lentils, and peas are generally a great source of protein and fiber, but they can cause IBS symptoms. They contain compounds called oligosaccharides that are resistant to digestion by intestinal enzymes. While beans can increase bulk in stool to help constipation, they also increase IBS symptoms.

What is the number one food that causes bloating? ›

Beans. It's hardly a surprise to see beans atop the list of bloat-causing foods. After all, the legendary powers of this legume have even captured the attention of lyricists: Beans, beans, the musical fruit… Science is behind that tune, explains Czerwony.

Are lentils good for weight loss? ›

Eating more lentils may help people maintain a healthy weight or lose weight. Replacing energy-dense (or high calorie) foods with legumes such as lentils can help people prevent or manage obesity and lose weight. Research suggests that regularly eating lentils may help with the management and prevention of diabetes.

How does Beano get rid of gas? ›

How does beano® work? beano® contains an enzyme from a natural source that works with your body's digestion. It breaks down the complex carbohydrates found in gassy foods into simpler, easily digestible sugars before they reach the colon, preventing gas before it starts.

Why do I feel weird after eating lentils? ›

Another reason that lentils are known for causing gas and bloating is because they are high in what's called raffinose. Raffinose family oligosaccharides (RFO) are known to cause stomach discomfort and bloating because the human body lacks the enzyme required to break them down within the digestive tract.

Which color lentil is healthiest? ›

Black Lentils (Beluga lentils)

Thanks to the robust flavor, these lentils pair well with meaty veggies and marinated proteins like mushrooms, tofu, and seitan. Best of all, black lentils are the most nutritious variety of lentils, boasting the highest amount of protein, plus high levels of calcium, potassium, and iron.

Are lentils inflammatory? ›

Overall, lentils are a highly nutritious food with various health benefits, including anti-inflammatory and antimicrobial effects. The fiber and protein content in lentils make them beneficial for weight management, blood sugar regulation, and supporting overall gut health.

How to make legumes less gassy? ›

Soaking overnight and then discarding the soaking water leaches out sugars in beans that are responsible for gas production. But if you don't have time for a traditional overnight soak, a quick soak is just as beneficial. Rinse the beans and then place them in a pot with three cups of water for each cup of dried beans.

Does baking soda reduce gas in lentils? ›

Bottom Line. If beans make you uncomfortably gassy, sprinkle a little baking soda into their soaking water. It will reduce the volume of gas produced by the legumes, plus, they will cook quicker.

How to prepare lentils to eat? ›

Bring to a boil, cover tightly, reduce heat and simmer until they are tender. For whole lentils, cook time is typically 15-20 minutes. For split red lentils, cook time is typically only about 5-7 minutes. Be sure to season with salt after cooking – if salt is added before, the lentils will become tough.

What are the easiest lentils to digest? ›

The easiest to digest are split yellow mung daal, chilka mung daal (split but with the green skins still on) and split red lentils. You can eat these daily without a problem, especially yellow mung daal. Ones that are moderately easy to digest include French puy lentils, toor daal, whole mung beans and adzuki beans.

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