E519

Copper sulphate

What the research shows

Not enough

published research on this page yet

How we decide

A blue crystal compound made of copper and sulfate.

Written from English Wikipedia1

  • Vegan
  • Vegetarian

Regulatory status

Checked Sep 2026

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 check

Products

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

  1. 1Copper(II) sulfate. Wikipedia. Accessed September 26, 2026.