Assorted fermentable carbs

Low-FODMAP Diet Guide for Bloating and Gas Reduction

Written by: Ved Shah

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Published on

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Time to read 3 min

Bloating and gas aren't just uncomfortable; they can be frustrating when they happen every single day. 


For many people, the cause is food.


Fermentable carbohydrates that your small intestine has a hard time processing, called FODMAPs.


A low-FODMAP diet is a structured way to remove these triggers to improve your ability to digest food while reducing the chances of bloating and gas.

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What is a Low-FODMAP Diet?

The Low-FODMAP diet was developed by researchers at Monash University. 


The original use was for people with Irritable Bowl Syndrome (IBS), but it can be used by people with other symptoms as well.


FODMAP stands for:

  • Fermentable
  • Oligosaccharides
  • Disaccharides
  • Monosaccharides
  • And
  • Polyols

These are the types of carbs that your gut has a hard time absorbing.

FODMAP mnemonic with each word

Why the Low-FODMAP Diet Helps

By reducing high-FODMAP foods, your digestive system gets a break from fermentable carbs that trigger gas and bloating. 


Many see improvement in just 2-6 weeks.

How the Low-FODMAP Diet Works

1. Elimination (2-6 weeks)

  • Cut out high-FODMAP foods
  • Use a low-FODMAP diet to meet dietary needs

2. Reintroduction (6-8 weeks)

  • Gradually add one FODMAP group at a item
  • Track your diet and symptoms to identify triggers
  • Avoid the FODMAP items that trigger your bloating and gas

3. Personalization

  • Keep tolerated foods
  • Avoid personal triggers
  • Enjoy a balanced, gut-friendly diet
Low-FODMAP Diet chart of the good and bad foods

Foods to Avoid

  • Fruits: Apples, pears, mangoes, cherries, watermelon
  • Veggies: Onions, garlic, cauliflower, asparagus, mushrooms
  • Dairy: Milk, cheese, yogurt with lactose
  • Legumes: Lentils, kidney beans, chickpeas
  • Sweeteners: Orbitol, xylitol

Foods to Eat

  • Fruits: Bananas, blueberries, strawberries
  • Veggies: Bell peppers, zucchini, carrots, spinach, lettuce
  • Protein: Eggs, chicken, fish, tofu
  • Dairy: Lactose-free milk, hard cheeses, almond milk
  • Grains: Rice, oats, quinoa

For the best results with a Low-FODMAP Diet, track your symptoms in a food diary.


Connect specific foods to flare-ups, check ingredient labels carefully, and keep your meals balanced. 


The goal isn't to cut everything out forever, but to find your personal triggers so you can eat what doesn't trigger you.


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Key Takeaways

The Low-FODMAP diet can significantly reduce bloating and gas.

It works by removing fermentable carbs that feed gut bacteria.

The process has three stages: elimination, reintroduction, and personalization.

Always work toward a balanced, sustainable eating plan.

Walk for 5–10 minutes after eating to ease bloating and aid digestion.

If symptoms last over 2 weeks or happen often, talk to a doctor.

Frequently Asked Questions

Does a Low-FODMAP Diet reduce gas?

Yes. A Low-FODMAP Diet limits fermentable carbs that feed gut bacteria and produce gas. By cutting these out in the elimination phase, many people notice a significant drop in gas within just a couple of weeks.

What is the most common FODMAP trigger?

While it varies by person, onions and garlic are among the most common triggers. During a Low-FODMAP Diet, these are eliminated early on because they’re high in fructans, a type of FODMAP that’s notorious for causing bloating and gas.

What is Stage 1 of a Low-FODMAP Diet?

Stage 1 is the elimination phase of a Low-FODMAP Diet. This is when you completely avoid high-FODMAP foods for 2–6 weeks to give your gut a break and see if your symptoms improve.

Does Low-FODMAP reset your gut?

Not exactly. A Low-FODMAP Diet doesn’t “reset” your gut, but it can help restore balance by reducing the foods that cause excess fermentation, giving your digestive system a calmer environment to work in.

Is Greek yogurt low in FODMAP?

Regular Greek yogurt is often lower in lactose than standard yogurt, which makes it more friendly for a Low-FODMAP Diet — but only in small servings and if you tolerate dairy well.

Is sourdough bread low in FODMAP?

Some traditional sourdough breads, especially those made with spelt or rye and fermented slowly, can be suitable for a Low-FODMAP Diet in moderation. Always check ingredients and portion sizes.

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