Fermented soy products: histamine content (7.39 mg/100 g)

7.39 mg/100 g

Reported range 7.39–73.01 mg per 100 g. Concentrations vary with ripeness, storage and processing, so a single figure would be misleading.

By portion

Portion	Grams	Histamine
1 tbsp	15 g	1.11 mg
1 serving	100 g	7.39 mg

Source

“Soy-fermented products: mean 73.95 mg/kg, maximum 730.06 mg/kg”

Low-Histamine Diets: Is the Exclusion of Foods Justified by Their Histamine Content? (Nutrients 2021;13(5):1395) · 2021 · CC BY 4.0

Food composition data, not medical advice. Reported tolerance thresholds vary widely between individuals, so a value being high here does not mean you will react to it.