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Mineral saltINS 452
E452

Polyphosphates

What you need to know

Polyphosphates stabilise instant noodles, processed cheese and cured meats.

They share the total-phosphate daily limit with the other phosphate additives.

Regulators permit them with maximum levels.

Where it stands, by region

The same additive can be approved in one country and banned in another. This is the divergence that matters most.

🇦🇺AU / NZApproved
Permitted (FSANZ Food Standards Code).
🇪🇺EUApproved
Permitted (EFSA).
🇺🇸USApproved
Permitted (FDA).
🇨🇦CAApproved
Permitted (Health Canada).

Health evidence

How settled the science is for each area — not how dangerous. “Unknown” means not enough good studies yet.

Hyperactivity & behaviour
Unknown
Allergy & intolerance
Unknown
Gut microbiome
Unknown
Metabolic effects
Counts toward total phosphate intake
Suspected
Carcinogenicity
Unknown
Cardiovascular
Unknown

Sodium/potassium polyphosphates. Part of EFSA's 2019 phosphate group ADI (40 mg/kg bw/day as P).

Synthesis: Synthetic (mineral-derived)ADI 40 mg/kg bw/day (group, as P)