Low FODMAP Diet: A Guide to Digestive Relief
If you've been dealing with chronic bloating, abdominal pain, or unpredictable digestion, you’re not alone—and you may have come across the term “low FODMAP diet.” But what exactly does it mean, and how can it help?
The low FODMAP diet is a scientifically-backed nutritional approach developed to manage symptoms of Irritable Bowel Syndrome (IBS) and other functional gut disorders. It was pioneered by researchers at Monash University in Australia and is now widely recommended by gastrointestinal specialists and holistic practitioners alike.
What Are FODMAPs?
FODMAP stands for:
Fermentable
Oligosaccharides
Disaccharides
Monosaccharides
And
Polyols
These are types of short-chain carbohydrates (sugars) that are poorly absorbed in the small intestine. When they reach the large intestine, they are fermented by gut bacteria, producing gas and attracting water into the colon. This can lead to symptoms like:
Bloating
Gas
Abdominal pain
Diarrhea or constipation
Some common high-FODMAP foods include:
Garlic and onions (fructans)
Wheat, rye, and barley
Milk and yogurt (lactose)
Apples, pears, and watermelon (fructose and polyols)
Legumes like chickpeas, lentils, and kidney beans (galacto-oligosaccharides)
How the Low FODMAP Diet Works
The low FODMAP diet is not meant to be followed forever. It’s a three-phase plan:
Elimination: High FODMAP foods are removed for 4–6 weeks to reduce symptoms. It’s in this phase that your gut can heal in a meaningful way.
Reintroduction: Foods are slowly reintroduced, one group at a time, to identify which FODMAPs trigger your symptoms.
Maintenance: A personalized, less restrictive diet is created based on your tolerance levels.
The purpose of a low FODMAP diet is not to restrict forever. The purpose is to remove insult to the intestines, allow the gut to heal, and improve resiliency so that these foods are tolerable when you introduce them again.
What Can You Eat?
While the list of restricted foods might seem overwhelming, there are still plenty of delicious, nutrient-rich options. Low FODMAP-friendly foods include:
Most vegetables: carrots, spinach, zucchini, bell peppers
Fruits like strawberries, blueberries, and citrus
Proteins: eggs, tofu, chicken, fish
Grains: oats, rice, quinoa, gluten-free breads
Lactose-free dairy or plant-based milk (almond, coconut)
Why Try a Low FODMAP Diet?
Clinical studies show that up to 75% of people with IBS report significant symptom relief on a low FODMAP diet.¹ From a naturopathic perspective, this approach supports gut healing by reducing inflammation and allowing the digestive system to reset.
It can also help you:
Tune into your body’s specific triggers
Reduce the need for medications like laxatives or antidiarrheals
Rebuild a more balanced and sustainable diet long term
Is It Right for You?
Because this diet involves several restrictions, it’s best done under the guidance of a licensed naturopathic doctor or registered dietitian, especially if you have other health conditions, a history of disordered eating, or nutrient deficiencies.
The goal isn’t to eliminate foods forever, but to empower you with knowledge about your body and your unique gut responses.
Want Support on Your Gut Health Journey?
Book a free 15-minute consultation to learn how naturopathic care can guide you through the low FODMAP process and help you restore digestive harmony—naturally.
References:
Staudacher HM, Whelan K, Irving PM, Lomer MCE. Comparison of symptom response following advice for a diet low in fermentable carbohydrates (FODMAPs) versus standard dietary advice in patients with irritable bowel syndrome. J Hum Nutr Diet. 2011;24(5):487-495.