Bread (rye)
Grains · Bread
Rye bread: 86 g is high FODMAP.
Last updated 22 September 2026Serving sizes for bread (rye)
Rye bread: 86 g is high FODMAP.
Tested serving sizes
| Serving | Amount | Main FODMAP | Rating |
|---|---|---|---|
| 18 g portion | 18 g | Fructans 0.18 g | |
| 36 g portion | 36 g | Fructans 0.36 g | |
| 2 slices | 86 g | Fructans 0.86 g |
Breakdown for 18 g
Is bread (rye) low FODMAP?
At 86 g, excess fructose, GOS and fructans are high; lactose, mannitol and sorbitol are low. This observation does not establish a low serving limit.
Bread (rye) and IBS: what to know
Use the matching bread and portion amount. Slice weights vary, so grams give a more consistent comparison.
Gut-friendly ways to eat bread (rye)
An 86 g portion of rye bread (2 slices) is high FODMAP in excess fructose, GOS and fructans. These portions apply to rye bread, rather than dark rye or sourdough rye. Slice sizes vary, so weigh portions for an accurate amount.
Frequently asked questions
What are the FODMAP serving sizes?
Rye bread: 86 g is high FODMAP.
How should I measure the portion?
An 86 g portion of rye bread (2 slices) is high FODMAP in excess fructose, GOS and fructans. These portions apply to rye bread, rather than dark rye or sourdough rye. Slice sizes vary, so weigh portions for an accurate amount.
Do these portions apply to other breads?
Use the entry that matches the flour and preparation. Rye sourdough, dark rye and other recipes have separate serving values.
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