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E450Leavening agentModerate concern
Sodium Pyrophosphate
In plain words
The short version
A phosphate buffer and leavening acid used in processed meats, seafood, and baking powders.
Why we flag it amber
It's permitted and generally considered safe, but there are a few reasons to be mindful — like sensitivities in some people, debated studies, or intake limits. The Safety section below explains the specifics.
Safety profile
ADI of 70 mg/kg body weight as phosphorus (combined phosphates). Long-term high phosphate intake from ultra-processed foods has been observationally associated with cardiovascular and renal effects, particularly in patients with chronic kidney disease.
The detail
Educational information only. Not medical or dietary advice.