Caramel color (especially class IV)
Research-supported
What it is
Four classes (I–IV) based on production method. Class IV (the ammonia-sulfite process) is made using sulfites and is the type most commonly used in colas, sauces, and processed foods. The class itself is not disclosed on labels.
Relevant concerns
- Sulfites
Class IV caramel color contains sulfites; users with sulfite sensitivity may react.
This entry is informational. It isn't a substitute for medical advice or a manufacturer's disclosure. When source matters and you can't tell from the label, contact the manufacturer.