Large Onion (Pickled in Vinegar, Drained)

TLDRLast updated 27 September 2026

The Monash entry for large onions pickled in vinegar and drained is low FODMAP at 60 g, approximately two pieces. It lists 85 g as moderate and 107 g as high. Match the large-onion preparation and use the drained weight; these figures are not a universal rule for all pickled onions.

Serving sizes for large onion (pickled in vinegar, drained)

Weights describe large onions pickled in vinegar, drained. Reference pieces are approximate: 60 g low, 85 g moderate, 107 g high.

Low
60 gabout 2 pickled onions

Tested serving sizes

Tested serving sizes for Large Onion (Pickled in Vinegar, Drained) and their Gut Friendly rating
ServingAmountMain FODMAPRating
2 pieces60 gFructans 0.07 gLow
2 3/4 pieces85 gFructans 0.1 gModerate
3 1/2 pieces107 gFructans 0.3 gAvoid

Breakdown for 60 g

0gFructose
0gLactose
0.07gFructans
0gGOS
0gSorbitol
0gMannitol
60 gabout 2 pickled onions

Is large onion (pickled in vinegar, drained) low FODMAP?

Fructans reach the moderate rating in the listed 85 g portion of large pickled onion. A different entry for small pickled onions from Germany has very different portion guidance. Onion size, product and preparation therefore need checking before borrowing the 60 g result for a jar.

Large Onion (Pickled in Vinegar, Drained) and IBS: what to know

The app's approximate two-piece description can be misleading if the pieces in your jar are much larger or smaller. For a pickle platter, record the drained grams you eat and identify the product. This specific result does not establish the FODMAP content of a homemade pickle, a sweet relish or the liquid left in the jar.

Gut-friendly ways to eat large onion (pickled in vinegar, drained)

Drain the large pickled-onion pieces before placing them on a scale. Portion them for a sandwich or side plate, keeping the pickling liquid outside this serving measurement. Check the jar's ingredient list and look for a closer product-specific entry if available. If you are using fresh red onion instead, follow the raw red-onion guide.

Frequently asked questions

Does the 60 g portion include the pickling liquid?

No. The verified large-onion entry explicitly says drained. Weigh the onion pieces after draining, rather than including the liquid in the 60 g.

Are small cocktail onions covered by this guide?

Do not assume so. The separate small German pickled-onion entry has a green portion of only 3 g. Match the product and preparation before choosing an entry.

Does pickling make every onion low FODMAP?

This tested large-onion preparation has a green portion at 60 g, but that is not evidence for every pickling recipe. A homemade vinegar pickle or sweet onion relish needs its own reliable information.

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Sources and editorial notes

  • Monash University FODMAP Diet App

    App entry checked directly on 27 September 2026: Onion, large, pickled in vinegar, drained. Supports the listed portion weights, traffic-light ratings and FODMAP groups. The exact compound quantities shown in the catalogue breakdown were not verified by this app check.

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.