Leek (White Bulb)

TLDRLast updated 6 October 2026

Leek (White Bulb): the low FODMAP reference is 14 g. Use only the raw white bulb. Raw green leaves have a separate reference and should not be measured as bulb.

Serving sizes for leek (white bulb)

Leek (white bulb only), raw: 14 g low, 18 g moderate, 75 g high. Use the stated preparation and unit.

Low
14 gabout 0.14 cups
FructoseLow
LactoseLow
FructansLow
GOSLow
SorbitolLow
MannitolLow

Reference portions

Select an amount or rating to update your portion. These are reference portions, not exact cut-offs or recommended intakes.
Reference portions for Leek (White Bulb) and their FODMAP ratings
ServingAmountFODMAP rating
14 g reference portion
18 g reference portion
75 g reference portion

Is leek (white bulb) low FODMAP?

The references for leek (white bulb only), raw are 14 g low, 18 g moderate, 75 g high. They are comparison portions, not exact transition cutoffs or personal tolerance limits.

Leek (White Bulb) and IBS: what to know

For leek (white bulb), keep the exact form and amount in mind. Portion size and preparation affect how food references should be compared. Monash: FODMAP questions and food preparation. This public source supplies background, not verification of the numerical table.

Gut-friendly ways to eat leek (white bulb)

Use only the raw white bulb. Raw green leaves have a separate reference and should not be measured as bulb. Compare Leek (Dark Green Leaves Only), Green Onion / Scallion (white part). These guides describe their own preparations and portions.

Frequently asked questions

What is the FODMAP portion for leek (white bulb)?

Leek (White Bulb): 14 g low, 18 g moderate, 75 g high. These values apply to leek (white bulb only), raw.

How should I measure or check leek (white bulb)?

Use only the raw white bulb. Raw green leaves have a separate reference and should not be measured as bulb.

Which other guides are useful when comparing leek (white bulb)?

Compare Leek (Dark Green Leaves Only), Green Onion / Scallion (white part). These guides describe their own preparations and portions.

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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.