Magnesium Stearate
Also known as: E572
Magnesium stearate is approved as a food additive by FDA and EFSA. EFSA's 2018 re-evaluation of magnesium salts of fatty acids (E470b, which includes magnesium stearate) found no safety concern at reported uses with no need for a numerical ADI.
What it is
Magnesium stearate (E572), a magnesium salt of stearic acid.
Anti-caking agent, emulsifier, lubricant in tablet/powder manufacturing.
Why it's flagged
- used in very low amounts; no significant concerns at typical intake
What regulators actually say
"The Panel concluded that there was no safety concern at the reported uses and use levels for sodium, potassium and calcium salts of fatty acids (E 470a) and magnesium salts of fatty acids (E 470b) and there was no need for a numerical ADI."
Regulatory status
United States — FDA
GRAS (21 CFR 184.1440)
European Union — EFSA
Approved (E572 / E470b); no safety concern at reported uses
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