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Published on: 2/24/2026
Persistent bloating is often driven by how your gut handles fermentable carbs called FODMAPs, and a medically approved three phase FODMAP plan elimination, reintroduction, personalization can ease bloating, gas, and pain for many people with IBS, with studies showing benefit in about 70 percent.
There are several factors to consider, including other causes like constipation, SIBO, celiac disease, IBD, and ovarian issues, plus red flag symptoms and practical tips, so see below for the complete steps, food lists, and when to talk to a clinician that could change your next move.
If you constantly feel bloated — like your stomach is stretched, tight, or uncomfortable after eating — you're not alone. Occasional bloating is normal. But persistent bloating that happens most days isn't something you should ignore.
The good news? In many cases, bloating is linked to how your gut processes certain foods — especially carbohydrates known as FODMAPs. The scientifically backed FODMAP diet has helped millions of people reduce bloating and digestive discomfort safely and effectively.
Let's break down what's happening in your body — and what you can do about it.
Bloating usually happens when excess gas builds up in your digestive tract. This can occur for several reasons:
For many people, the main trigger is fermentable carbohydrates — the core focus of the FODMAP diet.
FODMAP stands for:
These are short-chain carbohydrates that are poorly absorbed in the small intestine.
When they aren't fully digested:
For people with sensitive guts — especially those with IBS — this stretching can cause:
The FODMAP diet was developed by researchers at Monash University and is now widely recommended by gastroenterologists worldwide for IBS management.
Some healthy foods are surprisingly high in FODMAPs. Examples include:
High-FODMAP fruits:
High-FODMAP vegetables:
Other common triggers:
This doesn't mean these foods are "bad." It means some people simply don't digest them well.
Chronic bloating is one of the most common symptoms of Irritable Bowel Syndrome (IBS).
IBS typically includes:
If this sounds familiar, you might consider using a free AI-powered symptom checker to better understand what's causing your digestive issues and whether they align with IBS patterns.
A symptom check is not a diagnosis — but it can help you decide whether to speak with a healthcare professional.
The FODMAP diet is not meant to be permanent. It's a structured, temporary elimination plan followed by careful reintroduction.
It has three phases:
During this phase, high-FODMAP foods are reduced significantly.
The goal:
You focus on low-FODMAP options such as:
This phase should be short-term. Long-term restriction can negatively affect gut bacteria.
This is the most important step.
You systematically reintroduce one FODMAP group at a time to see what triggers symptoms.
For example:
This helps you identify your personal tolerance. Many people discover they are only sensitive to 1–2 categories.
You create a sustainable, long-term eating plan.
The goal is:
Most people do not need to avoid all high-FODMAP foods forever.
Clinical research shows the FODMAP diet improves symptoms in about 70% of people with IBS.
It is recommended by:
However, it works best when done with professional guidance to avoid unnecessary restriction.
While FODMAP sensitivity is common, it's not the only cause.
Other possible explanations include:
This is why persistent bloating should be evaluated — especially if it's new or worsening.
Bloating alone is usually not dangerous. However, seek medical care promptly if you experience:
These could indicate a more serious condition that requires urgent evaluation.
Even without red flags, if bloating is affecting your daily life, speak to a doctor. Proper diagnosis matters.
While evaluating whether the FODMAP diet is right for you, these simple steps may help:
Swallowing air worsens bloating.
Smaller portions reduce intestinal stretch.
They introduce excess gas.
Walking helps move gas through the digestive tract.
The gut and brain are closely connected. Stress can worsen IBS symptoms.
Chronic bloating is uncomfortable — but it is rarely life-threatening.
For many people, it reflects:
The FODMAP diet is one of the most evidence-based, non-drug approaches available today. When done correctly, it can dramatically improve quality of life.
But it's important not to self-diagnose indefinitely.
If you're unsure whether your symptoms may be related to Irritable Bowel Syndrome (IBS), a quick online symptom assessment can help clarify your situation and prepare you for a more productive conversation with your healthcare provider.
If you're always bloated, your gut is likely reacting to something specific — often fermentable carbohydrates addressed through the FODMAP diet.
Here's what to remember:
Most importantly: you don't have to live in constant discomfort.
If symptoms are persistent, severe, or concerning, speak to a doctor to rule out serious conditions and create a safe, effective plan tailored to you.
(References)
* Gibson PR. FODMAPs: past, present and future--a conceptual development. J Gastroenterol Hepatol. 2017 Mar;32 Suppl 1:7-10. doi: 10.1111/jgh.13682. PMID: 28244243.
* Bellini M, Tonarelli S, Patey G, Pancetti A, Costa F, Ricchiuti A, Rossi F, Borrelli O, Stasi C. Low-FODMAP Diet for Irritable Bowel Syndrome: What Is the Clinical Evidence? Nutrients. 2020 Mar 22;12(3):792. doi: 10.3390/nu12030792. PMID: 32210156; PMCID: PMC7146522.
* Staudacher HM. The low FODMAP diet: recent advances in understanding its mechanisms and efficacy in IBS. Ther Adv Gastroenterol. 2022 Jul 25;15:17562848221105944. doi: 10.1177/17562848221105944. PMID: 35903901; PMCID: PMC9320252.
* Ong DK, Mitchell SB, Ward HM, Coward SR, Muir JG, Gibson PR. Manipulation of dietary fructans and galacto-oligosaccharides reduces the symptoms of irritable bowel syndrome in a subset of patients. J Gastroenterol Hepatol. 2010 Sep;25(9):1571-7. doi: 10.1111/j.1440-1746.2010.06371.x. PMID: 20659225.
* Rej A, Barret M, Singh R, Arasaradnam RP. Reintroduction of FODMAPs in Irritable Bowel Syndrome: Evidence, Guidelines, and Practice. J Clin Gastroenterol. 2020 Mar;54(3):218-223. doi: 10.1097/MCG.0000000000001258. PMID: 31393361.
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