Spinach: histamine content (1.63 mg/100 g)

Spinach contains about 1.63 mg of histamine per 100 g, which is moderate for histamine.

1.63 mg/100 g

Reported range 0.06–6.97 mg per 100 g.Concentrations vary with ripeness, storage and processing, so a single figure would be misleading.

By portion

PortionGramsHistamine
1 cup raw30 g0.49 mg
1 cup cooked180 g2.93 mg

Source

“Spinach: mean 31.77 mg/kg, maximum 69.72 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
“Spinach ( Tetragonia expansa ) — mean 0.8, range 0.6–1.1 mg/kg (n=10); Dala-Paula, Starling, et al. (2021)”
Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance (Food Science & Nutrition 2025;13:e71151) · 2025 · CC BY 4.0

Also tracked for this food: oxalate

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.