gluten-free soy sauce
Condiments & Sauces
Is gluten-free soy sauce high in nightshades?
Is gluten-free soy sauce high or low in nightshades? See its exact rating, how much counts as a portion, and its FODMAP, salicylate, oxalate and diet compatibility in one place.
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Compare gluten-free soy sauce across criteria
Sensitivity notes
Why nightshades food checker matters
Nightshades are a plant family including tomatoes, peppers, eggplants, and potatoes. Some people find that avoiding nightshades helps with joint pain, digestive issues, or inflammatory conditions, though research is limited.
- Complete elimination for 30 days gives the clearest picture
- Watch for hidden nightshades in spice blends and sauces
- Paprika and cayenne are nightshades often overlooked
- Sweet potatoes are NOT nightshades - they're safe
- Goji berries are nightshades
Sensitivities
What gluten-free soy sauce contains
FODMAPs
Histamine & Amines
Plant compounds
Irritants
Additives
Allergens
Diet fit
Where gluten-free soy sauce fits
Therapeutic diets
Lifestyle diets
Religious diets
What to know about gluten-free soy sauce
Gluten-free soy sauce, usually tamari, solves one problem and leaves another. It swaps out the wheat of regular soy sauce, so it is genuinely gluten-free and low-FODMAP. But it is still a long-fermented soy product, which makes it very high in histamine, high in tyramine and very high in free glutamate. So it is a good pick for gluten or FODMAP concerns and a poor one if your trigger is histamine, tyramine or umami/MSG-type reactions.
Watch for
- Very high in histamine, because the long fermentation that makes soy sauce also builds histamine, a common cause of flushing, headaches and congestion after Asian meals
- High in tyramine, which matters if you take an MAOI or get tyramine-triggered migraines
- Very high in free glutamate, the natural umami that acts like MSG for people who react to it
- The upside: unlike regular soy sauce, tamari is made without wheat, so it is gluten-free and low-FODMAP
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Nightshades Guide
Everything you need to know about nightshades sensitivity and smart food choices.
Nightshades are a plant family including tomatoes, peppers, eggplants, and potatoes. Some people find that avoiding nightshades helps with joint pain, digestive issues, or inflammatory conditions, though research is limited.
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 Nightshades sensitivity:
View all safe options
These foods have moderate levels and may be tolerated in small amounts:
These foods are high in nightshades and may trigger symptoms:
View full list
If you're sensitive to Nightshades, consider these strategies:
- 1Complete elimination for 30 days gives the clearest picture
- 2Watch for hidden nightshades in spice blends and sauces
- 3Paprika and cayenne are nightshades often overlooked
- 4Sweet potatoes are NOT nightshades - they're safe
- 5Goji berries are nightshades
Pro tip: Keep a food diary to track your reactions. The Triggerbites app makes this easy with automatic pattern detection.
Want personalized tracking?
Download Triggerbites to log meals, track symptoms, and discover your unique triggers.
Get the AppFAQ
Is gluten-free soy sauce high in Nightshades?
Nightshades: low signal for most people.
Can I still eat gluten-free soy sauce if I'm sensitive to Nightshades?
Usually fine in normal portions.
What else should I check?
Check Histamine, Soy, and Glutamates next for a fuller picture.