Carrot
Serving sizes
Carrot changes rating with portion size. These are the amounts tested in the literature behind our ratings.
- 1 cup (116g)
- 1⅓ cups (150g)
- 2⅛ cups (250g)
Carrot is Low FODMAP at a generous serving, making it one of the easy, reliable veggies to keep on hand.
- Carrot has no elevated FODMAP subgroups at a serving of 1 cup (116g), so it sits comfortably in the low range and gives you plenty of room to enjoy.
- As the portion grows, the overall FODMAP load climbs to moderate and then high, but that only happens well beyond a typical serving.
Carrots are wonderfully versatile: roast, steam, or grate them raw into salads for color and crunch while keeping to that comfortable 1 cup (116g) serving.
Why carrot is rated low
Carrot is low at 1 cup (116g), with no FODMAP subgroup recorded as raised at that serving, which is why it is one of the most dependable vegetables to keep in the fridge on a low FODMAP diet. The detail worth knowing is how close the next rung sits: at 1⅓ cups (150g) carrot is already moderate, and at 2⅛ cups (250g) it is high. That is a narrow step, narrower than most people assume for a vegetable with a reputation this friendly, and it is driven purely by the amount on the plate rather than by anything that changes in the carrot. A cup of sticks, a grated handful through a salad or a modest side of roasted rounds all sit comfortably in the low range. A tray of roasted carrots eaten as the main vegetable is a different question.
What changes your risk
- The step from low to moderate is short 1 cup (116g) is low, but 1⅓ cups (150g) is already moderate and 2⅛ cups (250g) is high. There is less headroom here than the everyday reputation of carrots suggests, so a generous second helping matters more than it would with a bulkier green.
- Grated and roasted carrot packs down Loose sticks fill a cup quickly, while grated carrot and roasted rounds settle and compress, so the same cup measure holds noticeably more carrot. Weighing to 1 cup (116g) is the reliable way to keep the serving where the data puts it.
- Juice runs higher than the whole carrot Juicing concentrates the sugars of several carrots into one glass and leaves the fibre behind, so a glass of carrot juice is not comparable to 1 cup (116g) of carrot. The tested serving is for the vegetable, not the juice.
- The glaze, the dip and the stock Carrots are rarely eaten plain: honey glazes, a soffritto base of onion and garlic, stock cubes and creamy dips all bring their own load. Honey is not a low FODMAP sweetener, so use maple syrup or table sugar if a glaze is the point, and build soups on garlic infused oil rather than an onion base.
- Roasting does not lower it Carrots taste sweeter roasted because their sugars caramelise, not because anything has left the food. Roasting, steaming, boiling briefly, freezing and blending do not reduce FODMAP content, so a bigger tray is simply a bigger serving.
What else works
Carrot is low at its tested serving, so the useful move is knowing what to pad a plate with once you hit 1 cup (116g). Cucumber, bell pepper strips, green beans and zucchini give the same raw crunch on a snack plate, and potato, polenta or rice carry the sweet, starchy weight in a soup or a roast without pushing the carrot serving up. On a crudite platter the lookalikes to leave off are celery sticks and raw cauliflower florets, neither of which is a low FODMAP swap, and hummus and onion based dips belong in the same category. Carrot juice is not a substitute for the whole vegetable either. Baby carrots are simply carrot, cut small, so the same tested serving applies rather than a more generous one.
How to keep it low
Buy carrots firm, with no soft or rubbery bend, and if they come with tops attached twist those off before storing, since the greens keep drawing moisture out of the root. Kept in the crisper in a bag, or submerged in a container of cold water changed every few days, they stay crisp for weeks, which is what makes them worth prepping ahead. Weigh out 1 cup (116g) when you batch prep sticks or grate a bag for the week, and portion into containers then rather than eyeballing it later, because grated carrot is very easy to overshoot. For roasting, cut a single tested serving per person and fill the rest of the tray with potato or zucchini instead of adding more carrot. In soups, use carrot for colour and sweetness alongside potato rather than as the main body of the pot, and sweat the base in garlic infused oil.
Common questions
how many carrots can i eat on a low fodmap diet
1 cup (116g) is the tested low serving. The ladder turns moderate at 1⅓ cups (150g), so the room above a normal portion is smaller than most people expect.
is carrot juice low fodmap
Juicing packs the sugars of several carrots into one glass and drops the fibre, so juice runs higher than the whole vegetable. The published serving of 1 cup (116g) covers carrot itself, not carrot juice.
are carrots ok during the elimination phase
Yes, at 1 cup (116g) carrot is low with no raised subgroup recorded, which makes it one of the more useful vegetables during elimination. Watch the glaze, dip or stock it is cooked with rather than the carrot.
are baby carrots different from normal carrots
No, they are the same vegetable cut small, so the tested serving of 1 cup (116g) applies to them too. Snacking straight from the bag is the easiest way to drift past it without noticing.
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Informational only, not medical advice. Individual tolerance varies. Talk to a healthcare professional or a dietitian for personal guidance.
References
- Fructan and free fructose content of common Australian vegetables and fruit. Muir et al. (2007), J. Agricultural and Food Chemistry 55(16):6619-6627.
- Measurement of short-chain carbohydrates in common Australian vegetables and fruits by HPLC. Muir et al. (2009), J. Agricultural and Food Chemistry 57(2):554-565.
- Quantification of fructans, galacto-oligosaccharides and other short-chain carbohydrates in processed grains and cereals. Biesiekierski et al. (2011), J. Human Nutrition and Dietetics 24(2):154-176.
- Dietary sorbitol and mannitol: food content and distinct absorption patterns. Yao et al. (2014), J. Human Nutrition and Dietetics 27(Suppl 2):263-275.
- FODMAPs: food composition, defining cutoff values and international application. Varney et al. (2017), J. Gastroenterology and Hepatology 32(Suppl 1):53-61. Supplies the low, moderate and high cutoffs used on this page.
Last reviewed September 22, 2026.