Copper sulphate (E519)
Updated October 2, 2026
Copper sulphate (E519) is a food additive in the “other additives” group. It appears in 2 products in our database.
Quick facts
- Also known as
- E519
- E-number
- E519
- Function
- Other additives
- Found in
- 2 products
Foods that commonly contain Copper sulphate
Share of published products in each category whose ingredient list includes Copper sulphate.
Popular products with Copper sulphate
Copper sulphate-free alternatives
Popular products from the same categories that don't list Copper sulphate and score Nutri-Score A–C.
a NOVA 4 
a NOVA 1 
a NOVA 4 
a 
b NOVA 4 How to spot Copper sulphate on a label
Look for any of these names in the ingredient list:
Related additives
Frequently asked questions
What foods contain Copper sulphate?
In our database, Copper sulphate most often appears in protein powders.
How many products contain Copper sulphate?
2 published products on Foodmetria list Copper sulphate. Counts come from ingredient lists in Open Food Facts and update daily.
Product data: Open Food Facts (ODbL), updated daily. Additive information is for general education and is not medical advice. Always check the package label. Our methodology.