Additives
Monopotassium Phosphate (E340I): What It Is and Is It Safe?
Moderate
Acidity Regulator / Stabiliser
The mono-acidic potassium salt of phosphoric acid (KH₂PO₄). Used as an acidity regulator and buffering agent. Also provides a source of dietary potassium. High cumulative phosphate intake is a concern for kidney health; potassium intake is also relevant for those with impaired kidney function who may need to limit it.
- Category
- Acidity Regulator / Stabiliser
- Typically used in
- Sports drinks, processed cheese, meat products, bakery improvers
- Regulatory status
- Approved EU/USA/UK. Caution for kidney conditions and high-phosphate diets.
- Also listed as
- Potassium Dihydrogen Phosphate
- Concerns flagged
-
Cardiovascular concernKidney effects
Scrannr flags Monopotassium Phosphate automatically when you scan a barcode.
Sources
Where this comes from
- EFSA (2019) — Re-evaluation of phosphoric acid-phosphates – di-, tri- and polyphosphates (E 338–341, E 343, E 450–452) as food additives https://efsa.onlinelibrary.wiley.com/doi/10.2903/j.efsa.2019.5674
Products
Products containing Monopotassium Phosphate
We're building product pages that show real UK products containing Monopotassium Phosphate, using Open Food Facts data. They'll appear here soon — in the meantime, scan any barcode with the Scrannr app to check for it instantly.
Let Scrannr read the label.
Scan a barcode and get the additives flagged in plain English, plus a clear health score. Free to download.