Back to catalogSafety
E237PreservativeModerate concern
Sodium Formate
In plain words
The short version
The sodium salt of formic acid — a niche preservative paired with E236.
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 0–3 mg/kg body weight (combined formates, as formic acid). Same metabolic concerns as formic acid; the salt is gentler to handle but the dietary fate is identical.
The detail
Educational information only. Not medical or dietary advice.