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Magnesium Sulphate
Magnesium Sulphate
Also known as: E518, Epsom salts, magnesium sulfate
Low concern
Magnesium sulfate is FDA GRAS for use in food at GMP levels. It is used as a nutrient supplement and processing aid.
Found in
826 products
E-number
E518
What it is
Magnesium sulfate (E518) is an inorganic salt used as a firming agent, magnesium fortificant, and processing aid.
Firming agent; mineral source; brewing nutrient.
Why it's flagged
- laxative effect at high doses
What regulators actually say
"Magnesium sulfate is a substance that is generally recognized as safe."
"Magnesium sulfate and other magnesium salts are commonly used magnesium sources."
Regulatory status
United States — FDA
GRAS under 21 CFR 184.1443.
European Union — EFSA
Authorized as a magnesium source for food supplements; not on EU food additive permitted list as E518.
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