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E518AcidulantLow concern
Magnesium Sulfate
In plain words
The short version
'Epsom salt' — a firming agent, tofu coagulant, and brewing salt that also supplies magnesium.
Why it's green
It's widely considered safe at the amounts used in food, so we mark it green. The Safety section below has the details.
Safety profile
No ADI specified. Poorly absorbed; larger oral amounts act as a saline laxative — the traditional use of Epsom salts.
The detail
Educational information only. Not medical or dietary advice.