Is Tomato Low FODMAP?
Yes, common tomatoes are low FODMAP in normal servings. Monash University's updated testing found fresh tomatoes contain some excess fructose, so very large amounts can become moderate — but a standard salad serving is fine for most people.
AI-assisted classification — 95% confidence
LOW
Mixed
Acidic compounds
Not listed
Tomato is safe for most, but you may have a unique sensitivity.
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Digestive Profile
- Fiber Type
- Mixed Fiber (soluble + insoluble)
- Common Irritants
- Acidic compounds
- Allergen Warnings
- None detected
Nutrition Facts (per 100g)
- Calories
- 18 kcal
- Protein
- 0.9g
- Carbohydrates
- 3.9g
- Fat
- 0.2g
- Fiber
- 1.2g
- Sugar
- 2.6g
Why is Tomato low FODMAP?
Tomatoes were long considered FODMAP-free, but Monash University re-tested them in 2023 and found measurable excess fructose. The practical result: a typical serve of common (round) tomato stays low FODMAP, while large amounts — think several tomatoes or big portions of cherry tomatoes — can reach moderate fructose levels. Tomatoes are also acidic, which can irritate sensitive stomachs independently of FODMAPs.
Serving guidance for Tomato
A standard serve of common tomato (about half a medium tomato, 65–75 g) is low FODMAP per Monash testing. Cherry tomatoes are low at around 3–4 (45 g). Larger servings move into moderate territory for fructose, so keep portions modest during elimination and note that concentrated products (paste, sun-dried) have their own, smaller thresholds.
Disclaimer: This nutrition information is for educational purposes only and should not be used to diagnose or treat eating disorders, metabolic conditions, or nutritional deficiencies. Consult a registered dietitian or medical professional before starting any new diet plan. See our Medical Disclaimer.
FODMAP classifications on this page follow the framework established by the Monash University FODMAP research program, which laboratory-tests foods for fermentable carbohydrates. Individual tolerance varies.
Disclaimer: For informational purposes only. Not medical advice. Learn more.
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Frequently Asked Questions
Are tomatoes low FODMAP?
Yes, in normal servings. Monash's updated testing shows fresh common tomatoes are low FODMAP at about 65–75 g (half a medium tomato); large servings can become moderate in fructose.
Can I eat tomatoes if I have IBS?
Most people with IBS tolerate modest tomato servings. If tomatoes bother you, portion size (fructose), acidity, or garlic/onion in tomato sauces are the usual explanations.
Are cherry tomatoes low FODMAP?
Yes — about 3–4 cherry tomatoes (45 g) is a low FODMAP serve. Punnet-sized snacking portions can push into moderate fructose territory.
Is tomato sauce or pasta sauce low FODMAP?
Often not — most commercial pasta sauces contain garlic and onion, which are high FODMAP. Look for certified low FODMAP sauces or make your own with garlic-infused oil.
Are sun-dried tomatoes and tomato paste low FODMAP?
Only in small amounts. Drying and concentrating tomatoes concentrates the fructose — keep sun-dried tomatoes to a few pieces and tomato paste to about a tablespoon.
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GutGraph is an informational health tracking tool and is not a medical device, medical authority, or substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with any questions about your health. This product is not intended to diagnose, treat, cure, or prevent any disease. See our Medical Disclaimer for more details.