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FODMAP Diet for IBS: What You Need to Know

distension, FODMAPs, FODMAPs diet, FODMAPs diet for IBS, IBS -

FODMAP Diet for IBS: What You Need to Know

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Since the FODMAPs diet for IBS was developed by researchers at Monash University in Australia, it's helped countless people suffering from this chronic, debilitating gastrointestinal condition. In fact, 1 in 7 adults suffer from IBS, and I am one of them.

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How is IBS Diagnosed?

Well, believe it or not, it isn't through a colonoscopy! Nope, a colonoscopy won't show any sign of IBS but a doctor can diagnose you by looking at the following things:

  • Your medical history
  • Your symptoms
  • Your genetics
  • They may offer a physical exam?
  • They may suggest a gluten-intolerance test to rule out coeliac disease

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For two decades, I have suffered from the bloating, lower abdominal pain, distension and irregular bowel habits that are common symptoms of IBS. I was diagnosed years ago while nannying in the U.K and tried my best to manage my condition with diet, supplementation (hydrolyzed collagen, magnesium, probiotics), meditation etc..

However, an incredibly painful incident that occurred after I recently ate the pseudo-grain millet prompted me to adopt the FODMAPs diet for IBS.

Note: millet is not high FODMAP, I just cannot tolerate it, quinoa has the same effect for me. Just because something is gluten-free that doesn’t mean it may be right for you either? And various FODMAP foods can be the same.

I'd heard about this diet many years ago, but I fobbed it off (or should I say fodd'd LOL) and all these years later felt compelled to try it...

It’s only been a week, and I already feel better. My so-far-success prompted me to write this blog, and hopefully, help other people who may be suffering. 

BLOG UPDATE: since starting this blog, I ate some foods that were high-FODMAP (snow peas, mushrooms and a dressing that contained garlic) and my IBS symptoms returned. Nobody ever said it would be easy and I'm human so I will mess up from time to time, the main thing is to greatly reduce FODMAP foods as much as possible.

IBS in Australians

Did you know that 1 in 5 Australians have or will develop IBS in their lifetime and they are mostly female? I think that may be because we women seem to pile up our plates and overload ourselves and this creates stress and stress can be very corrosive for gut health and health full stop!

It is however, not fully understood what causes it but there are links infection, trauma, genetics, drugs, poor diet, toxins, stress. There may be more that aren't listed here.

There are many things a person can do to help their IBS and a low-FODMAP diet might be one?

Being low-FODMAP hasn’t been easy and there’s no perfect journey, in fact just the other day I went to breakfast with a friend and I ordered the healthiest thing on the menu - the green bowl, completely forgetting to look at all of the ingredients. After a few mouthfuls I noticed the bowl contained a high FODMAP food - snow peas! WAAAAA!! 😫

On the positive side, I did do low-FODMAP (let's call it LF for short) for a whole day recently and I had no IBS symptoms as a result! No bloating, no pain, no discomfort and my size stayed the same (sometimes with IBS and food intolerances, you can gain at least 2 dress sizes or more by the afternoon!)

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So What are FODMAPs?

FODMAPs is an acronym for a group of sugars that are not adequately absorbed or digested by our intestines. These FODMAPs move slowly into the small intestine attracting water as they eek along. Once they reach the large intestines, these FODMAPs produce gas as an offshoot of their fermentation in the gut. Following, the surplus water and gas result in painful expansion of the intestinal wall for people with IBS, who already have extremely sensitive guts. 

When the abdomen swells and pushes right out, this is 'distension'.


What Does it Stand For?

Now, let's look at that acronym to see what, exactly, FODMAPs are in our foods.

Fermentable. This refers to the gut bacteria fermenting undigested sugars (carbs) to produce gas.  

Oligosaccharides. This refers to fructans and GOS in wheat, rye and foods like onions, garlic and legumes.

Disaccharides. This refers to lactose, which is found in dairy. 

Monosaccharides.This refers to fructose, which is found in high fructose corn syrups, but also healthier foods like apples and honey.


Polyols, This refers to mannitol and sorbitol, which are found in a few fruits and vegetables and can be used in artificial sweeteners. 

There are only a few concrete examples of foods on the FODMAP chart in this acronym breakdown though, so let's get a more thorough idea of high FODMAP foods. 

High-FODMAP Foods

(not good for IBS sufferers in general and different people may have different triggers)

Legumes & Vegetables

Artichoke (fresh)


Brussels Sprouts

Butternut Squash

Cabbage (Savoy)




Leeks (the white part)



Snow peas (mange tout)

Leek Bulbs




Split peas

Red Kidney Beans

Baked beans


Black eyed peas

Butter beans

Pickled/fermented vegetables



Broad beans etc..

(don't be discouraged, there are still many veggies you can enjoy and some of these you may be able to enjoy in small quantities)

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Bananas (ripe)









Goji berries





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Nut flours

Barley flour


Oatmeal bread





Spelt? (certain spelt bread like sourdough can be ok in small amounts)


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This list might seem a bit depressing or even overwhelming at first and I totally feel you, but please do not despair, there are solutions just keep reading this blog...

Fermented & Dairy Foods

In general but not as a rule you should also avoid all fermented drinks (kombucha, kefir, wine and beer) and dairy (milk, yogurt, ice cream, whey). 

If you've ever eaten fermented foods or had kombucha and become bloated or experienced other IBS symptoms, be sure to head over to my blog titled: "My Excruciatingly Painful Experience with Kombucha".

We've been brainwashed by marketing and advertising to believe fermented foods are good for us and while yes, they are very healthy for many, they are also not for others who cannot digest them.

Also, you must understand that what works for some may not work for others and you may be able to tolerate certain foods but your friend or loved one may not and vice versa.

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What's Next?

This is where it can be confusing and why it’s a good idea to grab app (see link below) because you actually can enjoy a small amount of wine and even beer as long as it’s within the recommended amount.

The foods mentioned are not a comprehensive list. I strongly recommend you check out the Monash University FODMAP diet app, which instantly helps you see what you can and can't eat. 

Eating this way can be a challenge and it’s certainly going to take patience and persistence but with what I’ve read about it, it seems very effective for those who dedicate themselves. 

I’m now following it myself and having success so far I think but be sure to keep up with my journey over on Instagram stories. I share tips and low-FODMAP recipes there too! 

What else should you know about following a FODMAPs diet?

An important takeaway here is to make sure you are diagnosed with IBS before you start an FODMAPs diet for IBS. Don't diagnose yourself after; IBS can present the same way as other conditions, including endometriosis and Crohn's disease. 

Your doctor can run tests to help diagnose your condition. Following a FODMAPs diet unnecessarily and without guidance from a dietician and under supervision needlessly restricts your diet and may result in malnutrition.

However, for people who have IBS, a FODMAPs diet has been shown to improve the condition for 3 out of 4 sufferers in a matter of a couple of weeks. Those are incredible odds, incredibly fast for those of us who have been living with this painful, debilitating disease. 

Low-FODMAP Meals Delivered Australia-wide

Now, it's time to get excited! You can get LF meals delivered Australia-wide, there are actually a few companies who deliver and some even have FREE SHIPPING! Yass!




Disclaimer: the information in this article is purely informational and not health advice. Always speak to a health professional when embarking on any changes and avoid self-diagnosing.

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