Boric acid (E284)
Updated October 2, 2026
Boric acid (E284) is a food additive in the “other additives” group. It appears in 10 products in our database, 1 of them sold in the US.
Quick facts
- Also known as
- E284
- E-number
- E284
- Function
- Other additives
- Found in
- 10 products (1 sold in the US)
Foods that commonly contain Boric acid
Share of published products in each category whose ingredient list includes Boric acid.
Popular products with Boric acid
NOVA 4
NOVA 4
d NOVA 4
d NOVA 4
e NOVA 4
b NOVA 4
b NOVA 4
c NOVA 4
NOVA 4
NOVA 4 Boric acid-free alternatives
Popular products from the same categories that don't list Boric acid and score Nutri-Score A–C.
a NOVA 4
a NOVA 4
a
a NOVA 4
a NOVA 4 How to spot Boric acid on a label
Look for any of these names in the ingredient list:
Related additives
Frequently asked questions
What foods contain Boric acid?
In our database, Boric acid most often appears in dietary supplements, biscuits, sandwiches and paella.
How many products contain Boric acid?
10 published products on Foodmetria list Boric acid, including 1 sold in the United States. 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.