tomato sauce
Condiments & Sauces
Is tomato sauce high in oxalates?
Find out whether tomato sauce is high or low in oxalates, see its exact rating, and check its FODMAP, salicylate, oxalate and diet compatibility all in one place.
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Sensitivity notes
Why oxalates food checker matters
Oxalates are compounds found in many plant foods that can bind with calcium to form crystals. High oxalate intake may contribute to kidney stones in susceptible individuals and can cause other symptoms in those with oxalate sensitivity.
- Stay well-hydrated to help prevent oxalate crystal formation
- Pair high-oxalate foods with calcium-rich foods to bind oxalates
- Cooking and boiling can reduce oxalate content in some foods
Triggers
Diets
Serving size, prep, and portion notes for tomato sauce
Tomato sauce is one of the most concentrated food triggers in an ordinary kitchen. Simmering and reducing tomatoes stacks histamine, salicylates, oxalate, free glutamate and nightshade compounds into every spoonful. It grades high in histamine, so it is a frequent reason people flush, get a headache or a runny nose during an Italian meal, and it is also high in oxalate and a nightshade.
Watch for
High in histamine, and reducing tomatoes down to a sauce pushes it higher, so marinara often bothers people more than a fresh raw tomato does / High in salicylates and a moderate histamine liberator, a double hit if you are aspirin-sensitive or histamine-intolerant / High in oxalate, which matters on a kidney-stone (calcium oxalate) diet / A nightshade with high free glutamate, so it can flare both nightshade sensitivity and umami/glutamate reactions
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Oxalates Guide
Everything you need to know about oxalates sensitivity and smart food choices.
Oxalates are compounds found in many plant foods that can bind with calcium to form crystals. High oxalate intake may contribute to kidney stones in susceptible individuals and can cause other symptoms in those with oxalate sensitivity.
Sensitivity varies widely. What triggers one person may be fine for another. Track your reactions to find your personal threshold.
These foods are generally well-tolerated for Oxalates sensitivity:
View all safe options
These foods have moderate levels and may be tolerated in small amounts:
These foods are high in oxalates and may trigger symptoms:
View full list
If you're sensitive to Oxalates, consider these strategies:
- 1Stay well-hydrated to help prevent oxalate crystal formation
- 2Pair high-oxalate foods with calcium-rich foods to bind oxalates
- 3Cooking and boiling can reduce oxalate content in some foods
- 4Spread oxalate intake throughout the day rather than one large dose
- 5Consider probiotics - some gut bacteria break down oxalates
Pro tip: Keep a food diary to track your reactions. The Triggerbites app makes this easy with automatic pattern detection.
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Get the AppFAQ
Is tomato sauce high in Oxalates?
Oxalates: higher signal - consider smaller servings or swaps.
Can I still eat tomato sauce if I'm sensitive to Oxalates?
Best to avoid or test carefully with a small amount.
What else should I check?
Check Histamine, Nightshades, and Glutamates next for a fuller picture.