Orange Juice
Beverages · Juices
Half a cup of orange juice, 125 ml, is rated green. The reason lies in the fruit rather than the processing: oranges have almost no excess fructose to concentrate, so the pressed liquid comes out at 0.05 g, right on the line where a portion would begin to count, with 0.02 g of fructans behind it. A small glass is genuinely cleared. A pint of it is untested.
Last updated 4 September 2026Serving sizes for orange juice
Half a cup, 125 ml, is rated green. It is the only volume in our data.
Tested serving sizes
| Serving | Amount | Main FODMAP | Rating |
|---|---|---|---|
| 1/2 cup | 125 ml | Fructose 0.05 g |
Breakdown for 0.5 cups
Is orange juice low FODMAP?
Excess fructose is what usually sinks a juice, and it only exists where a fruit carries more fructose than glucose. Oranges are balanced, so pressing them concentrates sugar without creating that surplus. Measure out the same half cup of apple juice and fructose reads 0.5 g against orange juice’s 0.05 g, a tenfold gap at an identical pour, which is the whole difference between a red rating and a green one. Sorbitol, mannitol, lactose and GOS all measure zero here, and fructans leave only a trace at 0.02 g.
Orange Juice and IBS: what to know
Green at half a cup is a portion result, and half a cup is smaller than the glass most people reach for. A breakfast tumbler is closer to double it, and no figure exists above 125 ml, so a large glass is unmeasured rather than approved. The other thing worth checking is whether you are drinking orange juice at all. Orange squashes, cordials and juice drinks are often built on cheaper fruit concentrates, apple juice among them, which is rated red at this same half cup. Our figure covers the juice; a drink whose sweetness comes from elsewhere is a different product.
Gut-friendly ways to eat orange juice
The portion looks after itself if you pour into a small tumbler rather than a tall one, and it stretches easily: topped up with soda water it fills a proper glass at the same juice load. It earns its keep in cooking too, where a fructan-heavy base would otherwise be doing the work, in a marinade with olive oil, thyme and pepper, or in a pan sauce finished with juice and zest instead of a stock cube. For a second green option at breakfast, tomato juice and cranberry juice both hold their own entries.
Frequently asked questions
How much orange juice can I have on a low FODMAP diet?
Half a cup, 125 ml, is the tested amount and it is rated green. That is one measured point rather than a range that has been explored, so a second glass on top of it is genuinely unknown territory rather than known to be fine. Pouring the same half cup twice across a day, with meals rather than back to back, keeps you on ground the data covers.
Is fresh-squeezed orange juice better than juice from concentrate?
Not for FODMAPs. Orange juice is rated as one entry, and reconstituted juice is the same liquid with its water put back, so the fructose and fructans arrive the same way. What is worth checking is whether other juices have been blended in, since a carton labelled as a fruit blend can carry apple or pear alongside the orange.
Why is orange juice low FODMAP when apple juice is not?
It comes down to excess fructose, the fructose left over once a fruit’s glucose has been counted. Apple carries a large surplus and it survives pressing, reaching 0.5 g in half a cup of the juice. Orange has essentially none to start with, so the same half cup reads 0.05 g. Concentration multiplies whatever the fruit brought; it does not create it.
Can orange juice still upset my stomach if it is low FODMAP?
It can. A green rating covers the six FODMAP groups at that portion and says nothing else about the drink. Juice delivers a lot of fruit sugar very quickly whatever its FODMAP profile, and drinking it on an empty stomach is a common way to notice that. If it disagrees with you, halve the pour and take it with food before deciding it is a trigger.
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