E519
Copper sulphate
What the research shows
Not enough
published research on this page yet
A blue crystal compound made of copper and sulfate.1
- Vegan
- Vegetarian
What expert reviews concluded
Expert panels that weigh all the research. Shown for context: the signal at the top does not count them.
-
UN and WHO food additive experts (JECFA), 1973
No acceptable daily intake set.
Regulatory status
Checked Sep 2026-
United States Permitted FDA 21 CFR 184.1261
-
Canada Permitted Health Canada · Other Accepted Uses
Status reflects the named register on the date checked. It is not a safety rating. A country appears here once we've found this ingredient on its official list.
How we checkProducts
The 6 most-scanned of 848 products on Open Food Facts that list copper sulphate.
- Croissance réduit en sucre Jaouda · 500 ml 1 additive
- Protein Powder Drink Mix Isopure · 30.5 g 3 additives
- Reduced Fat Creamy Peanut Butter Jif · 16 oz 1 additive
- Original nutrition shake Ensure · 237 ml 5 additives
- A-Z Multivitamins & Minerals Tesco · 90 Tablets 11 additives
- have wich yfood® THIS IS Fall FOOD READY-TO-DRINK YFood · 500 ml 2 additives
References
- 1Copper(II) sulfate. Wikipedia. Accessed September 26, 2026. CC BY-SA 4.0.