Onion (white, raw)
Herbs & Spices · High Fodmap Spices
Onion (white, raw): the low FODMAP reference is 10 g. Use raw white onion, not red onion, cooked onion or onion powder. Weigh small portions because ring and bulb sizes vary.
Serving sizes for onion (white, raw)
Onion, white, raw: 10 g low, 12 g moderate, 75 g high. Use the stated preparation and unit.
Reference portions
Select an amount or rating to update your portion. These are reference portions, not exact cut-offs or recommended intakes.| Serving | Amount | FODMAP rating |
|---|---|---|
| 10 g reference portion | ||
| 12 g reference portion | ||
| 75 g reference portion |
Is onion (white, raw) low FODMAP?
The references for onion, white, raw are 10 g low, 12 g moderate, 75 g high. They are comparison portions, not exact transition cutoffs or personal tolerance limits.
Onion (white, raw) and IBS: what to know
For onion (white, raw), 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 onion (white, raw)
Use raw white onion, not red onion, cooked onion or onion powder. Weigh small portions because ring and bulb sizes vary. Compare Onion (Spanish/red, raw), Onion Powder, Green Onion / Scallion (green part only). These guides describe their own preparations and portions.
Frequently asked questions
What is the FODMAP portion for onion (white, raw)?
Onion (white, raw): 10 g low, 12 g moderate, 75 g high. These values apply to onion, white, raw.
How should I measure or check onion (white, raw)?
Use raw white onion, not red onion, cooked onion or onion powder. Weigh small portions because ring and bulb sizes vary.
Which other guides are useful when comparing onion (white, raw)?
Compare Onion (Spanish/red, raw), Onion Powder, Green Onion / Scallion (green part only). 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 appSources and editorial notes
- Monash: FODMAP questions and food preparation
Explains FODMAPs, portion dependence and preparation differences; not a citation for this numerical reference table.






