Ascorbic acid (vit. C synthetic)
Xanthan gum
May be problematic for sensitive individuals.
Caution
May cause symptoms in more sensitive people. Track your own reaction.
Xanthan gum is a thickener produced by fermentation. Although it itself may not contain high amounts of histamine, the fermentation process can lead to its formation or can trigger the release of histamine in some individuals.
Safer alternatives
Suitable
cornstarch
Low in histamine, usually well tolerated.emulsifier (E 471)