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Sources and method

Every answer on Fodmi’s food pages comes from rated servings: for each food, a few amounts, each rated low, moderate or high for each of the six FODMAP groups. The food pages were last checked October 28, 2026.

How an answer is made

  1. Rated servings. Each food has one or more servings with a weight and a rating for fructans, GOS, lactose, excess fructose, sorbitol and mannitol. A serving is as high as its highest group.
  2. Cut-offs. Low means a group is under the published per-serving low FODMAP cut-off: Varney J, Barrett J, Scarlata K, et al. FODMAPs: food composition, defining cutoff values and international application. J Gastroenterol Hepatol. 2017;32 Suppl 1:53–61. doi:10.1111/jgh.13698.
  3. Amounts in between. Up to a rated serving, that serving’s rating applies. Between two rated servings, the higher rating applies.
  4. Low up to. The largest serving rated low in every group. Above the largest rated serving nothing is rated, so the food pages never call a larger amount low.
  5. Meals. Each group of a meal takes its highest-rated food. Foods with the same group also add up: each counts as a share of its own largest low serving, and once the shares reach one whole serving the group is at least moderate. A food that is low in a group at every rated serving doesn’t add to it.

Foods with no FODMAPs

Salt, still water, plain animal fat, and plain fish, seafood, duck and rabbit with nothing added contain no fermentable carbohydrate, so they are low at any amount. FODMAPs are fermentable short-chain carbohydrates, and meat, fish and eggs contain none of them:

  1. Gibson PR, Shepherd SJ. Evidence-based dietary management of functional gastrointestinal symptoms: the FODMAP approach. J Gastroenterol Hepatol. 2010;25(2):252–258.doi.org/10.1111/j.1440-1746.2009.06149.x
  2. Liljebo T, Störsrud S, Andreasson A. Presence of FODMAPs in commonly eaten foods: extension of a database to indicate dietary FODMAP content and calculation of intake in the general population from food diary data. BMC Nutr. 2020;6:47.doi.org/10.1186/s40795-020-00374-3

What this is not

Fodmi estimates FODMAP content from published food composition data. It is not medical advice. Real foods vary with variety, ripeness, recipe and portion, and so does tolerance. Follow a low FODMAP diet with a qualified health professional. See the medical disclaimer.

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