Old Fashioned

TLDRLast updated 6 October 2026

A verified low FODMAP portion is not established here for old fashioned. Record the whiskey, sugar, bitters and other additions. A plain spirit reference does not establish a portion for the complete cocktail.

Serving sizes for old fashioned

Verification pending: these reference amounts and ratings have not been validated for this exact food or preparation.

Low
1 cocktailabout 90 ml
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 Old Fashioned and their FODMAP ratings
ServingAmountFODMAP rating
1 cocktail
Reference portionNot availableModerate
Reference portionNot availableHigh

Is old fashioned low FODMAP?

The existing old fashioned table remains unverified. Record the whiskey, sugar, bitters and other additions. A plain spirit reference does not establish a portion for the complete cocktail. Its figures should not be treated as a confirmed allowance.

Old Fashioned and IBS: what to know

For old fashioned, keep the exact form and amount in mind. Alcohol, caffeine and fizzy drinks can affect IBS independently of a FODMAP rating. NHS: diet and lifestyle with IBS. This public source supplies background, not verification of the numerical table.

Gut-friendly ways to eat old fashioned

Record the whiskey, sugar, bitters and other additions. A plain spirit reference does not establish a portion for the complete cocktail. Compare Martini (Gin or Vodka), Maple Syrup (Cocktail). These guides describe their own preparations and portions.

Frequently asked questions

What is the FODMAP portion for old fashioned?

No verified portion can be given for this entry yet. Record the whiskey, sugar, bitters and other additions. A plain spirit reference does not establish a portion for the complete cocktail.

How should I measure or check old fashioned?

Record the whiskey, sugar, bitters and other additions. A plain spirit reference does not establish a portion for the complete cocktail.

Which other guides are useful when comparing old fashioned?

Compare Martini (Gin or Vodka), Maple Syrup (Cocktail). 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.