Dextrose
The pure form of dextrose does not contain histamine.Glucose syrup
Usually histamine free, depends on processing.
Suitable
Most people with histamine intolerance tolerate this food well.
Glucose syrup is a processed carbohydrate that usually does not contain histamine. Its suitability may be affected by any ingredients or manufacturing process, but the syrup itself is considered safe.
Safer alternatives
Suitable
Icing sugar
Acesulfame K