Is Natto High in Histamine?
| Histamine level | High |
|---|---|
| Histamine liberator | No |
| Blocks DAO enzyme | No |
| Food category | 🥬 Fermented Foods |
Lower-histamine alternatives to Natto
If you are avoiding Natto, these are better tolerated on a low-histamine diet:
More fermented foods and their histamine levels
Track Natto and 1,200+ foods automatically
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Natto & histamine FAQ
Is Natto high in histamine?
Very high in histamine — a strongly fermented food. Natto is soybeans fermented with Bacillus subtilis into a sticky, pungent food, and intensely fermented foods like this are among the highest in histamine. The strong aroma is a clue to how much bacterial activity has taken place. It is best avoided entirely while you are stabilising symptoms.
Can I eat Natto on a low-histamine diet?
Natto is generally best avoided on a strict low-histamine diet because it can be high in histamine. Tolerance is individual, so track your own response before reintroducing it.
What are lower-histamine alternatives to Natto?
Lower-histamine swaps include Fresh Chicken Breast, Eggs. These are generally better tolerated than Natto on a low-histamine diet.
Last reviewed June 2026. Histamine ratings are based on the Swiss SIGHI food compatibility list and general low-histamine dietary guidance. Histamine tolerance is highly individual — this is general information, not medical advice. Track your own response and consult a healthcare professional about your diet.