Bread (wholemeal/whole wheat)

TLDRLast updated 22 September 2026

Wholemeal wheat bread: 30 g is low FODMAP; 34 g is moderate FODMAP; 48 g is high FODMAP.

Last updated 22 September 2026

Serving sizes for bread (wholemeal/whole wheat)

Wholemeal wheat bread: 30 g is low FODMAP; 34 g is moderate FODMAP; 48 g is high FODMAP.

Low
24 gabout 1 slice

Tested serving sizes

Tested serving sizes for Bread (wholemeal/whole wheat) and their Gut Friendly rating
ServingAmountMain FODMAPRating
24 g portion24 gFructans 0.08 gLow
2 slices48 gFructans 0.44 gAvoid
30 g portion30 gFructans 0.1 gLow
34 g portion34 gFructans 0.24 gModerate

Breakdown for 24 g

0gFructose
0gLactose
0.08gFructans
0.08gGOS
0gSorbitol
0gMannitol
24 gabout 1 slice

Is bread (wholemeal/whole wheat) low FODMAP?

At 30 g, all six listed components are low. GOS and fructans are moderate at 34 g and high at 48 g; the other four components remain low.

Bread (wholemeal/whole wheat) 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 (wholemeal/whole wheat)

A 30 g portion of wholemeal wheat bread is low FODMAP; 34 g is moderate and 48 g is high. Two slices weigh 48 g. Slice sizes vary, so weigh portions for an accurate amount.

Frequently asked questions

What are the FODMAP serving sizes?

Wholemeal wheat bread: 30 g is low FODMAP; 34 g is moderate FODMAP; 48 g is high FODMAP.

How should I measure the portion?

A 30 g portion of wholemeal wheat bread is low FODMAP; 34 g is moderate and 48 g is high. Two slices weigh 48 g. 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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