Margarine Spread (Poly- or Monounsaturated)

TLDRLast updated 3 October 2026

Poly- or monounsaturated margarine spread is low FODMAP at the listed 19 g serving. This guide applies to that spread preparation rather than every product described as butter or margarine.

Serving sizes for margarine spread (poly- or monounsaturated)

The listed low portion is 19 g. The 500 g additional low reference is not a serving suggestion.

Low
1 tablespoonabout 19 g

Tested serving sizes

Tested serving sizes for Margarine Spread (Poly- or Monounsaturated) and their Gut Friendly rating
ServingAmountMain FODMAPRating
1 tablespoon19 gNone detectedLow
Additional low reference; not a suggested serving500 gNone detectedLow

Breakdown for 1 tablespoon

0gFructose
0gLactose
0gFructans
0gGOS
0gSorbitol
0gMannitol
1 tablespoonabout 19 g

Is margarine spread (poly- or monounsaturated) low FODMAP?

The six listed groups are low at 19 g. The catalogue also records a low reference at 500 g, which is not a recommended serving. No moderate or high threshold is provided. Added flavours and different formulations need checking; the type of fat named on a pack is not a complete ingredient list.

Margarine Spread (Poly- or Monounsaturated) and IBS: what to know

For IBS meal tracking, include the spread used on toast or sandwiches as well as the bread and toppings. A switch between brands can change the ingredient list. Note the actual spread and amount so a meal comparison does not overlook what was spread underneath jam, nut butter or another topping.

Gut-friendly ways to eat margarine spread (poly- or monounsaturated)

Weigh the spread on a small dish before spreading it, or weigh the tub before and after use. For baking, follow the recipe's required spread type and divide the total among the pieces made; culinary substitutions can change texture. A liquid vegetable oil has its own volume-based guide rather than the same weight allowance.

Frequently asked questions

How much margarine spread is low FODMAP?

The listed low amount is 19 g for the poly- or monounsaturated spread preparation. Weigh the amount used across the whole meal.

Does this guide cover every butter blend?

No. Butter blends and flavoured spreads may be different formulations. Match the preparation and read the current ingredients.

Can I use the spread rating for a baked product?

The spread is one ingredient. Flour, sweeteners, fillings and portion size determine the finished recipe's separate assessment.

How should I count spread across several slices of toast?

Measure the total used across the slices rather than counting each smear separately. Include extra spread added later and assess the bread and toppings on their own.

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Sources and editorial notes

Published and maintained by Gut Friendly. This guide has not been independently reviewed by a dietitian. Serving information comes from our food catalogue. Where references are listed, they explain the research and preparation differences. Check the original source for current portions.

Gut Friendly provides general information, not medical advice.