Glucose syrup
Usually histamine free, depends on processing.Icing sugar
Suitable
Most people with histamine intolerance tolerate this food well.
Icing sugar is basically finely ground granulated sugar. It does not contain histamine or substances that would release it from the body. It is therefore suitable for the histamine diet.
Safer alternatives
Suitable
Acesulfame K
Dextrose
The pure form of dextrose does not contain histamine.