Magnesium Gluconate
Also known as: E580
Magnesium gluconate is an authorized source of magnesium for nutritional fortification. Magnesium is an essential mineral; the NIH Office of Dietary Supplements identifies it as safe at typical dietary intakes, with a UL of 350 mg/day for supplemental magnesium in adults.
What it is
Magnesium gluconate, the magnesium salt of gluconic acid, used as a magnesium source in food fortification and supplements.
Mineral fortificant, dietary supplement, acidity regulator.
Why it's flagged
- high doses can cause diarrhea
- additive intake should not exceed UL
What regulators actually say
"Magnesium gluconate (C12H22MgO14·xH2O, CAS Reg. No. 3632-91-5)... is generally recognized as safe when used in accordance with good manufacturing practice."
Regulatory status
United States — FDA
GRAS as a nutrient supplement (21 CFR 184.1440).
European Union — EFSA
Authorized food additive E580 and permitted source of magnesium per Regulation (EC) 1925/2006.
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