L-ascorbic acid (E300)
Folic acid
Suitable
Most people with histamine intolerance tolerate this food well.
Folic acid (vitamin B9) is a water-soluble vitamin. It is found in many foods and is not associated with histamine or its release.
Safer alternatives
Suitable
Ascorbic acid (vit. C synthetic)
Malic acid (E296)
Synthetic acid, usually well tolerated.