5 Ways the Low-FODMAP Diet Can Ease Bloating and Gut Pain

If you’re living with irritable bowel syndrome (IBS), small intestinal bacterial overgrowth (SIBO) or another chronic digestive condition, then you know how recurring bloating, gas and abdominal pain can compromise your quality of life. The low-FODMAP diet is a structured eating plan that may help you identify potential food triggers causing digestive symptoms so you can find relief.  

In this article, we’ll explore the low-FODMAP dietary approach, consider who can benefit from it and share five ways it may help ease digestive discomfort for some people. 

At RMG Gastroenterology, our board-certified gastroenterologists have helped hundreds of Raleigh residents and members of the Triangle community find relief from chronic digestive conditions and improve the quality of their lives. If you’re experiencing digestive challenges, we encourage you to request an appointment with us today. 

What Does FODMAP Mean?

FODMAP stands for fermentable oligosaccharides, disaccharides, monosaccharides and polyols. 

These short-chain carbohydrates and sugar alcohols are poorly digested or absorbed into the small intestine by some people. As they travel into the large intestine, they are fermented by gut bacteria, which produces gas and draws extra water into the bowel.  

This process can cause gastrointestinal issues like bloating, abdominal pain, gas and changes in your bowel habits, especially if you have IBS. 

FODMAPs are found in ordinary foods. For example:

• Oligosaccharides are carbohydrates that can be found in onions, garlic, beans, lentils and wheat.
• Disaccharides are sugars such as lactose that occur naturally in milk and some other dairy products. 
• Monosaccharides are simple sugars such as fructose found in fruits, honey and some vegetables.
• Polyols are sugar alcohols found in certain fruits and vegetables as well as some sugar-free or low-calorie products. 

A low-FODMAP diet limits foods containing these carbohydrates and sugars to determine if doing so improves your symptoms. The goal is to identify your specific food triggers, not remove FODMAPs permanently.

The low-FODMAP eating plan consists of three phases: elimination, which typically lasts 2 -6 weeks, reintroduction and a long-term personalization and maintenance phase.

What Can You Eat on a Low-FODMAP Diet?

A low-FODMAP diet emphasizes replacing higher-FODMAP foods with lower-FODMAP choices, rather than permanently eliminating certain foods altogether.

Food options that fit into a low-FODMAP eating plan include: 

• Fruits: Oranges, grapes, strawberries and pineapple in appropriate portions 
• Vegetables: Carrots and zucchini
• Grains: Rice and oats
• Protein: Eggs, plain meat, fish and firm tofu
• Dairy: Lactose-free milk and other lactose-free dairy products 

It’s important to eat balanced meals that provide sufficient protein, fiber, vitamins and minerals while following a low-FODMAP eating plan. 

Also keep in mind that portion sizes matter. While you may be able to tolerate some foods in smaller quantities, these same foods may trigger symptoms in larger quantities. 

Who Can Benefit from a Low-FODMAP Diet?

The low-FODMAP diet is primarily recommended for those with IBS. This eating plan may help you manage recurring bloating, abdominal pain, gas, diarrhea, constipation and other IBS symptoms when specific foods are triggers. 

It may also help some people with SIBO manage their symptoms. SIBO is a condition involving excessive bacteria in the small intestine which can contribute to gas, bloating and other digestive issues. 

However, a low-FODMAP diet does not eliminate bacterial overgrowth associated with SIBO or replace appropriate medical treatment for the condition. 

In some cases, a low-FODMAP diet may help alleviate symptoms of other gastrointestinal issues as well, such as inflammatory bowel disease (IBD) like Crohn’s disease or ulcerative colitis, but it does not treat or reduce underlying inflammation. 

Results of the low-FODMAP diet vary by person, and it isn’t effective for everyone. 

If you have a chronic gastrointestinal condition, we encourage you to speak with us before making significant changes to your diet. Some digestive symptoms may have causes that require additional evaluation.

What Are High-FODMAP Foods to Avoid?

During the elimination phase, you’ll temporarily limit certain high-FODMAP foods to gauge whether your symptoms improve. 

Common examples of high-FODMAP foods include:

• Fruits: Apples and watermelon
• Vegetables: Onions and garlic
• Legumes: Beans and lentils.
• Dairy: Regular milk and other lactose-containing products
• Grains: Certain wheat-based products
• Sweeteners: Sugar-free products containing sugar alcohols like sorbitol or mannitol

Note that these foods aren’t inherently unhealthy and may not need to be eliminated permanently. Depending on the serving size, preparation method and specific food, you may be able to tolerate some of them in certain portion sizes.

The goal is to identify your specific food triggers and reintroduce foods you can tolerate so you can maintain a diverse, nutritious diet.  

5 Benefits of a Low-FODMAP Diet

Adjusting your diet using the low-FODMAP approach may offer these potential benefits:

1. It may reduce excess gas. Limiting carbohydrates that trigger fermentation may decrease gas buildup and help relieve abdominal pressure.
2. It may help relieve bloating. Because certain FODMAPs can draw water into the intestines and create gas, limiting your intake may help reduce abdominal fullness, swelling and discomfort.
3. It may ease abdominal pain. For some people with IBS, reducing dietary triggers can help lessen cramping, discomfort and pain caused by gas.
4. It may improve bowel movement patterns. Though digestive symptoms vary depending on the person, certain FODMAPs can contribute to diarrhea in some people. Identifying your triggers may help you manage bowel changes linked to IBS. 
5. It helps you identify food triggers. One of the most worthwhile benefits of the low-FODMAP method is learning which foods trigger digestive symptoms, so you can limit them temporarily, then reintroduce foods to gauge your tolerance. This allows you to create a flexible eating plan rather than having to eliminate foods unnecessarily. 

Though a low-FODMAP eating plan may help certain people, the benefits above are not guaranteed. 

It’s also important to understand that while the diet can help manage symptoms, it does not cure an underlying digestive condition.

It’s essential to get a proper evaluation for your gastrointestinal condition before implementing dietary changes. If you’re considering a low-FODMAP eating plan, the best way to get started safely is to speak to your care team at RMG-Gastroenterology to receive reliable, expert guidance on next steps. 

Let Our Experts at RMG Gastroenterology Help You Find Relief from Chronic Digestive Symptoms

We understand how challenging it can be when bloating, abdominal pain, changes in bowel habits or other digestive symptoms interfere with your daily life, but you don’t have to deal with the discomfort on your own.  

At RMG Gastroenterology, we can evaluate your symptoms, identify potential triggers and develop a personalized treatment plan to help manage your condition and support your digestive health. 

We invite you to request an appointment with us today.