Multigrain Bread
Serving sizes
Multigrain Bread changes rating with portion size. These are the amounts tested in the literature behind our ratings.
- About 20g
- Larger portions
- Much larger portions
Multigrain bread is High FODMAP at a usual serving, though about 20g is low.
- A small piece of 20g is low.
- Fructans and Excess Fructose build quickly, so larger portions reach moderate and much larger portions reach high.
Pair a small piece with low FODMAP toppings, and lean on rice or oats when you need a larger grain portion.
Why multigrain bread is rated high
Multigrain bread is not the gentler loaf its name suggests. It is low only at about 20g, roughly half a thin slice, and the climb from there is steep: larger portions are moderate, and the two-slice sandwich most people would make without thinking is high. Fructans from the grain, along with excess fructose, are what drive it. The extra grains, seeds and dark crust are not what decides the rating, the flour is, and adding seeds to a wheat loaf does not take fructans out of it.
What changes your risk
- Slice size, not just slice count about 20g is low, larger portions are moderate and much larger portions are high. A thick hand cut slice from a bakery loaf weighs far more than a thin supermarket one, so even a single slice can sit well past the low amount.
- Stacking with other fructan foods because the low amount is so small, there is little room before anything else arrives. Wheat crackers, a wrap, rye bread, or onion and garlic in the dressing or filling within the same meal push the fructan total higher fast.
- A sourdough label a multigrain loaf sold as sourdough is still a multigrain wheat loaf, and the label alone tells you nothing about how it behaves. Judge it the same way.
- Seeds and grains on the crust are cosmetic here sunflower seeds, oats or cracked grain on top do not lower the fructan load of the flour underneath. A loaf looking wholesome is not a rating.
- Toasting and freezing do nothing to the load heat does not break fructans down and freezing does not either. Freezing pre sliced bread is still worth doing, because it makes taking out a small piece the easy option.
Swaps
For the same sandwich role without the fructan load, gluten free bread is the honest swap. When you want a bigger grain portion at a meal, move away from bread entirely: rice, oats, quinoa, polenta, buckwheat, potato and gluten free pasta all carry a meal better than a larger bread serving will. Do not treat rye bread, wheat wraps, bagels or wheat crackers as a lighter option, they are the same fructan problem in another shape. Wholegrain and wholemeal breads have their own serves and are not interchangeable with this one, so check them rather than assuming.
How to lower the load
Weigh a slice of your usual loaf once, because that tells you how far a single slice already sits past about 20g. During elimination, a gluten free loaf for sandwiches is the simpler route, and a small piece of multigrain alongside a meal is the most it suits. Buy thin sliced rather than bakery cut, freeze the loaf and take slices out individually. In cafes and delis assume the bread is thicker and the sandwich is doubled, so having the filling as a salad, or asking whether gluten free bread is available, is the more reliable order. Watch the spread and the relish as closely as the bread, since onion and garlic ride in there.
Common questions
is multigrain bread low fodmap
Only at a small amount. About 20g is low, larger portions are moderate, and a standard two-slice sandwich is high.
is multigrain bread high in fructans
Fructans are a main driver, coming from the grain in the loaf, alongside excess fructose. They build quickly past about 20g.
is multigrain bread better than white bread for ibs
The extra grains and seeds do not remove fructans from the flour, so multigrain being darker or seedier does not make it a lower FODMAP choice. Judge any bread by its own serve rather than how wholesome it looks.
what bread can i eat instead of multigrain
Gluten free bread fills the same role. For a bigger meal, rice, potato, oats or quinoa carry the plate better than more bread.
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Where this rating comes from
Multigrain Bread is rated from published lab measurements of its FODMAP content, using the low, moderate and high cutoffs of Varney et al. (2017).
Feedback sent through the FODMAP Foods app has led to changes in this list.
Sources
- Fructan and free fructose content of common Australian vegetables and fruit. Muir et al. (2007), J. Agricultural and Food Chemistry 55(16):6619-6627.
- Measurement of short-chain carbohydrates in common Australian vegetables and fruits by high-performance liquid chromatography (HPLC). Muir et al. (2009), J. Agricultural and Food Chemistry 57(2):554-565.
- Quantification of fructans, galacto-oligosaccharides and other short-chain carbohydrates in processed grains and cereals. Biesiekierski et al. (2011), J. Human Nutrition and Dietetics 24(2):154-176.
- Dietary sorbitol and mannitol: food content and distinct absorption patterns between healthy individuals and patients with irritable bowel syndrome. Yao et al. (2014), J. Human Nutrition and Dietetics 27(Suppl 2):263-275.
- FODMAPs: food composition, defining cutoff values and international application. Varney et al. (2017), J. Gastroenterology and Hepatology 32(Suppl 1):53-61. Supplies the low, moderate and high cutoffs used on this page.
Informational only, not medical advice. Individual tolerance varies. Talk to a healthcare professional or a dietitian for personal guidance.