Understanding the Difference: GF vs. Low FODMAP
It's a common misconception that a gluten-free product is automatically suitable for a low FODMAP diet. In reality, gluten is a protein found in wheat, rye, and barley, whereas FODMAPs (Fermentable Oligosaccharides, Disaccharides, Monosaccharides, and Polyols) are short-chain carbohydrates. While these grain types contain both gluten and FODMAPs (specifically fructans), the two are distinct. People with celiac disease must avoid all gluten, while those with irritable bowel syndrome (IBS) often need to limit their FODMAP intake. Many gluten-free products use alternative flours and added ingredients that can be high in FODMAPs. Therefore, checking for the gluten-free label is not enough to ensure a product is low in FODMAPs.
How to Identify Low FODMAP Gluten-Free Breads
Navigating the bread aisle can be daunting, but a few key strategies can help you find suitable options.
Look for Low FODMAP Certification
This is the most reliable method for finding a safe bread. Products with a certification logo from either Monash University or the FODMAP Friendly Food Program have been lab-tested and verified to be low in FODMAPs at the recommended serving size. These certifications remove all guesswork, making it a stress-free choice for those in the elimination phase of the diet.
Become a Label Reading Expert
If a product isn't certified, you must carefully read the ingredient list. The FODMAP content depends heavily on the type of flour used and any additives. Always check for high FODMAP ingredients, which are often added to improve taste or texture. A good rule of thumb is to look for products with shorter, simpler ingredient lists.
The Importance of Serving Size
For both certified and uncertified breads, serving size is critical. Monash University has tested different bread types and found that many have a low FODMAP serving size, but exceeding that amount can increase the overall FODMAP load and trigger symptoms. Always refer to the Monash app for the most accurate and up-to-date serving information.
Low FODMAP Flours to Seek Out
When scrutinizing the ingredient list, prioritize breads made with these naturally low FODMAP flours:
- Rice flour (brown and white)
- Sorghum flour
- Tapioca starch
- Cornmeal and corn flour (not high-fructose corn syrup)
- Millet flour
- Oat flour
- Buckwheat flour
- Quinoa flour
- Arrowroot starch
Common High FODMAP Ingredients to Avoid
Be vigilant for these common high FODMAP culprits, which are often added to gluten-free baked goods:
- Inulin (chicory root extract)
- High-fructose corn syrup or concentrated fruit juices (e.g., apple, pear)
- Honey (if listed high on the ingredients list)
- High FODMAP flours, including coconut flour, almond flour, and amaranth flour
- Fructans (FOS) or Oligofructose
- Certain soy products, especially soy flour
- Onion or garlic powder (sometimes in savory breads)
Comparison of Popular Gluten-Free Breads
To help you make a decision, here is a comparison of some gluten-free brands available in many markets, based on available information and certification status.
| Brand | Product Example | Certified Low FODMAP? | Key Low FODMAP Ingredients | Considerations |
|---|---|---|---|---|
| Schar | Deli Style Sourdough, Artisan Baker Multigrain | Yes, many products are Monash certified. | Rice flour, corn flour, potato starch, sourdough culture. | Wide availability and a variety of certified options. |
| Canyon Bakehouse | Country White, Mountain White, Hawaiian Sweet | Yes, many products are certified. | Brown rice flour, tapioca starch, sorghum flour. | Trusted brand with good taste and texture. |
| Udi's | White Sandwich Bread, Multigrain | Yes, some products are certified. | Tapioca starch, brown rice flour. | Must check the specific product, as not all are low FODMAP. |
| Trader Joe's | Gluten-Free White Sandwich Bread | Not officially certified. | Potato starch, brown rice flour. | Check ingredients carefully for any added high FODMAP items before purchase. |
| Little Northern Bakehouse | Millet & Chia, Seeds & Grains | Yes, certified. | Water, gluten-free flour blend, seeds. | High-fiber options; check for availability in your region. |
The Sourdough Option: A Unique Case
Traditionally fermented sourdough bread (even wheat-based) can be low in FODMAPs because the long fermentation process breaks down the fructans. For those with IBS but not celiac disease, a traditional wheat sourdough could be an option, but it is not gluten-free. However, some gluten-free sourdoughs, like certain Schar or Inewa varieties, are lab-tested and safe for both diets. It’s a good idea to confirm fermentation times with local bakeries if buying fresh. For more on the specifics of the diet, consult the Monash University Low FODMAP Diet App.
Making Your Own Low FODMAP Gluten-Free Bread
For maximum control over ingredients, consider baking your own bread. Numerous recipes online use safe flour blends like a combination of rice, tapioca, and cornstarch. This allows you to avoid preservatives and hidden FODMAPs completely. Always ensure your recipe uses only approved flours and sweeteners.
Conclusion: Enjoying Bread on Your Low FODMAP Journey
Finding suitable gluten-free bread on a low FODMAP diet is entirely possible with the right information. Remember that 'gluten-free' does not automatically mean 'low FODMAP,' and vigilance with ingredient lists is key. Prioritize brands with Monash or FODMAP Friendly certification, be mindful of serving sizes, and check for high FODMAP ingredients like inulin and certain concentrated fruit juices. With these strategies, you can enjoy bread without compromising your digestive health.