Butter

TLDRLast updated 22 September 2026

Plain butter: 20 g is low FODMAP; 143 g is moderate FODMAP.

Last updated 22 September 2026

Serving sizes for butter

Plain butter: 20 g is low FODMAP; 143 g is moderate FODMAP.

Low
1 tablespoonabout 20 g

Tested serving sizes

Tested serving sizes for Butter and their Gut Friendly rating
ServingAmountMain FODMAPRating
1 tablespoon20 gLactose 0.07 gLow
143 g portion143 gLactose 0.5 gModerate

Breakdown for 1 tablespoon

0gFructose
0.07gLactose
0gFructans
0gGOS
0gSorbitol
0gMannitol
1 tablespoonabout 20 g

Is butter low FODMAP?

At 20 g, all six listed components are low. At 143 g: lactose moderate. Other listed components are low. Low ratings do not establish zero component content.

Butter and IBS: what to know

Use the matching preparation and portion amount. Low FODMAP describes FODMAP content; it does not establish an unlimited or recommended intake.

Gut-friendly ways to eat butter

A 20 g portion (1 tablespoon) is low FODMAP; 143 g is moderate. These portions apply to plain butter. Weigh larger portions for an accurate amount.

Recipes with butter

Frequently asked questions

What are the FODMAP serving sizes?

Plain butter: 20 g is low FODMAP; 143 g is moderate FODMAP.

How should I measure the portion?

A 20 g portion (1 tablespoon) is low FODMAP; 143 g is moderate. These portions apply to plain butter. Weigh larger portions for an accurate amount.

Do these portions apply to every preparation?

Use the entry that matches the ingredients and preparation. Fat level, added flavours, lactose removal and other ingredients can distinguish products.

Check a whole plate in seconds.

Not sure about a whole meal? Scan it with the Gut Friendly app.

Get the app
Ratings based on published FODMAP research. Gut Friendly provides general information, not medical advice.