Corn Flour (Masa Harina / Masa Lista)

TLDRLast updated 3 October 2026

Corn flour identified as masa harina or masa lista is low FODMAP at 100 g of ingredient, approximately two-thirds cup. All six FODMAP groups are green. The reference applies to the named flour and should not be read as a tested tortilla serving.

Serving sizes for corn flour (masa harina / masa lista)

Masa harina / masa lista corn flour is green at the 100 g ingredient reference. Hydrated dough and cooked tortillas have different weights.

Low
0.67 cupsabout 100 g

Tested serving sizes

Tested serving sizes for Corn Flour (Masa Harina / Masa Lista) and their Gut Friendly rating
ServingAmountMain FODMAPRating
2/3 cup flour ingredient100 gNone detectedLow

Breakdown for 0.67 cups

0gFructose
0gLactose
0gFructans
0gGOS
0gSorbitol
0gMannitol
0.67 cupsabout 100 g

Is corn flour (masa harina / masa lista) low FODMAP?

The available entry lists one green ingredient amount and does not provide an upper green range. It is distinct from maize or cornmeal flour and from products labelled corn starch. Similar corn-based names can refer to different ingredients, so matching the packet matters.

Corn Flour (Masa Harina / Masa Lista) and IBS: what to know

Adding water to make dough changes the finished weight without making that weight equivalent to the amount of flour. Tortillas or other prepared foods can also include additional ingredients. A masa flour result alone therefore cannot determine the rating of every finished product.

Gut-friendly ways to eat corn flour (masa harina / masa lista)

For a homemade batch, weigh the masa harina before hydration and record how many portions it makes. If buying a prepared product, use its ingredient list and product-specific portion evidence where available. Compare arrowroot flour or brown rice flour only through their own guides, rather than treating all flour ingredients as having the same profile.

Frequently asked questions

Does this give a low-FODMAP tortilla count?

No. Tortilla size, formulation and flour contribution vary; the ingredient entry does not establish a count.

Can I apply the result to corn starch?

Use a matching corn-starch entry. This guide concerns masa harina or masa lista flour.

How do I use the reference in a recipe?

Track the flour added before water and your share of the batch, then consider the other components separately.

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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.