Grapefruit

Fruits · Citrus

TLDRLast updated 6 October 2026

Grapefruit: the low FODMAP reference is 90 g. Measure the edible portion for grapefruit, peeled, raw, with the peel removed as specified. Whole-fruit weight is not the same measurement.

Serving sizes for grapefruit

Grapefruit, peeled, raw: 90 g low, 121 g moderate, 238 g high. Use the stated preparation and unit.

Low

90 g

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 Grapefruit and their FODMAP ratings
Serving	Amount	FODMAP rating
90 g reference portion
121 g reference portion
238 g reference portion

Is grapefruit low FODMAP?

The references for grapefruit, peeled, raw are 90 g low, 121 g moderate, 238 g high. They are comparison portions, not exact transition cutoffs or personal tolerance limits.

Grapefruit and IBS: what to know

For grapefruit, 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 grapefruit

Measure the edible portion for grapefruit, peeled, raw, with the peel removed as specified. Whole-fruit weight is not the same measurement. Compare Kiwi (green), Kiwi (gold/yellow). These guides describe their own preparations and portions.

Frequently asked questions

What is the FODMAP portion for grapefruit?

Grapefruit: 90 g low, 121 g moderate, 238 g high. These values apply to grapefruit, peeled, raw.

How should I measure or check grapefruit?

Measure the edible portion for grapefruit, peeled, raw, with the peel removed as specified. Whole-fruit weight is not the same measurement.

Which other guides are useful when comparing grapefruit?

Compare Kiwi (green), Kiwi (gold/yellow). These guides describe their own preparations and portions.

Check a whole plate in seconds.

Not sure about a whole meal? Scan it with the Gut Friendly app.

Get the app

Kiwi (green)FruitsLow Kiwi (gold/yellow)FruitsLow

Sources and editorial notes

Monash: FODMAP questions and food preparation
Explains FODMAPs, portion dependence and preparation differences; not a citation for this numerical reference table.

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.