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FODMAP Score

Product check · Kikkoman

Is Kikkoman Soy Sauce low FODMAP?

FODMAP score

15

Low FODMAP

Yes — Kikkoman Traditionally Brewed Soy Sauce is one of the safer bottles in the condiment aisle for a low FODMAP approach. The US label is just four ingredients: water, soybeans, wheat, and salt. Seeing wheat listed can be alarming, but this is where brewing matters — the months-long fermentation that gives Kikkoman its flavor also breaks down most of the fructans from the wheat and the GOS from the soybeans, so very little ends up in the finished sauce. A standard splash or a 2-tablespoon serving is widely considered comfortable territory for people limiting FODMAPs. One clarification worth making: low FODMAP is not the same as gluten-free. This sauce still contains wheat, so anyone avoiding gluten itself should reach for a tamari instead. For FODMAP purposes, though, the intense saltiness works in your favor — nobody drinks soy sauce by the half cup, and at realistic dipping and stir-fry quantities this bottle earns its low score.

What's inside

WheatA fructan source on paper, but long brewed fermentation breaks most of it down; only unrealistic pours raise questions.
SoybeansFermentation during brewing removes most of the GOS soybeans normally carry; little remains per serving.
SaltNo FODMAPs, and the salt intensity naturally keeps portions to splashes and tablespoons.

📏 A splash up to about 2 tablespoons is standard low FODMAP territory. Note the sauce contains wheat, so it is low FODMAP but not gluten-free.

Gentler alternatives

San-J Tamari (Gluten Free)Brewed without wheat, so it covers both FODMAP caution and gluten avoidance with the same salty depth.

Coconut aminos (e.g., Coconut Secret)Soy-free and wheat-free with a milder, sweeter profile; well tolerated at typical drizzle servings.

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Based on the publicly listed ingredients at time of review; recipes change — check the label. Informational only, not medical advice. FODMAP tolerance is individual.

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