Mayonnaise (Low Fat)

TLDRLast updated 3 October 2026

Low-fat mayonnaise is low FODMAP at the listed 20 ml serving. This is a volume measurement for the finished mayonnaise, and the low-fat label alone does not establish another product's FODMAP rating.

Serving sizes for mayonnaise (low fat)

Measure the listed low portion as 20 ml. Do not convert the additional 500 g reference into a volume without product-specific information.

Low
1 tablespoonabout 20 ml

Tested serving sizes

Tested serving sizes for Mayonnaise (Low Fat) and their Gut Friendly rating
ServingAmountMain FODMAPRating
1 tablespoon20 mlNone detectedLow

Breakdown for 1 tablespoon

0gFructose
0gLactose
0gFructans
0gGOS
0gSorbitol
0gMannitol
1 tablespoonabout 20 ml

Is mayonnaise (low fat) low FODMAP?

The six listed groups are low at 20 ml. An additional low reference is recorded at 500 g, which is a weight rather than a measured volume and is not a suggested serving. No moderate or high portion is supplied here. Reduced fat and low FODMAP describe different characteristics of a product.

Mayonnaise (Low Fat) and IBS: what to know

For meals with IBS, note the mayonnaise used in sandwich fillings, slaw or potato salad as well as any dollop added at the table. Switching to a low-fat product may also change the recipe and ingredients. Read the current label rather than assuming that all reduced-fat dressings match this entry.

Gut-friendly ways to eat mayonnaise (low fat)

Measure mayonnaise before spreading it on bread or stirring it through a salad. For a batch of sandwich filling, divide the total among the sandwiches actually made. Add herbs or seasonings separately so the finished recipe is clear. Japanese mayonnaise has a separate weight-based guide if that is the style you use.

Frequently asked questions

How much low-fat mayonnaise is low FODMAP?

The listed low serving is 20 ml. A measuring spoon marked with volume is more reliable than an unmeasured serving spoon.

Does reduced-fat mean low FODMAP?

No. Fat content does not identify the FODMAP content of a finished recipe. Use a matching preparation and check its ingredients and portion.

Can I use this amount for a light salad dressing?

Only if the dressing matches the mayonnaise preparation. A ready-made dressing may contain other ingredients and should be assessed as its own mixture.

How can I track mayonnaise in potato salad?

Measure the mayonnaise used for the bowl, then divide it among the portions served. Include additional dressing or mayonnaise spooned onto individual plates.

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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.