Boric acid
Learn what Boric acid (E284) is, why it's added to food, whether it's safe, and which products contain it.
Moderate concernWhat is Boric acid?
A food additive used as a buffering agent to control acidity.
Why is Boric acid added to food?
Boric acid (E284) is a acidity regulator commonly found in: Sturgeon roe (caviar).
Permitted quantity: The acceptable daily intake for human consumption is up to 0.1 mg/kg body weight.
Is Boric acid banned anywhere?
✓ Not currently banned in the EU or known to be restricted in other countries.
Common foods that contain Boric acid
- Sturgeon roe (caviar)
How to spot Boric acid on labels
Look for any of these names in the ingredients list:
- E284
- Boric acid
Common misspellings to watch for:
- borlc acid
- boric acid
- boric dcid
- boric aeid
- boric acld
- borie acid
Better alternatives
• May cause irritation to the skin and mucous membranes, especially with direct contact with eyes or skin. • Excessive consumption may lead to poisoning, with symptoms such as nausea, vomiting, diarrhea, and abdominal pain. • Not recommended for pregnant or breastfeeding women as it may affect fetal development or the newborn. • May affect kidney function and the nervous system with prolonged exposure or large doses. • Not recommended for young children due to the risk of acute toxicity.
Also known as
- borlc acid
- boric acid
- boric dcid
- boric aeid
- boric acld
- borie acid
Scan products with BioBrief
Not sure if a product contains Boric acid? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E284 — with a plain-language explanation.
Frequently asked questions about Boric acid
- Is Boric acid safe to eat?
- Boric acid has a harm level of 2 out of 3. Moderate concern.
- Is Boric acid banned anywhere?
- Boric acid is not currently banned in the EU or known to be restricted in other countries.
- How do I spot Boric acid on a food label?
- Look for E284, Boric acid in the ingredients list. It may also appear as: borlc acid, boric acid, boric dcid.
Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.