Magnesium lactate, DL-

INS 329

Used as an acidity regulator — Codex also lists it as flour, treatment agent.

Magnesium lactate is an acidity regulator and a source of magnesium in fortified foods and supplements.

Where it is and isn’t permitted

Status of Magnesium lactate, DL- by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationNot listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.
Codex AlimentariusCodex Alimentarius Commission / JECFAPermitted, with conditions

1 food category

no numerical limit (good manufacturing practice)

CXS 192-1995 Table Three, INS 329and 1 further provisionretrieved 2026-09-07

What it is made from

Made by neutralising fermentation-derived lactic acid with a magnesium base.

  • Vegan
  • Vegetarian
InChIKey
OVGXLJDWSLQDRT-UHFFFAOYSA-L
PubChem
CID 6536825

Every name it appears under

30 recorded names. A label may use any of them.

INS number

  • 329

CAS registry number

  • 18917-93-6
  • 26867-84-5

Other names

  • 18917-93-6 (MAGNESIUM LACTATE)
  • Anhydrous magnesium lactate, dl-
  • Bis(lactato)magnesium
  • Dl-lactic acid magnesium salt
  • DL-magnesium lactate
  • Ins no.329
  • Ins-329
  • Lactic acid, magnesium salt
  • Mag-tab sr
  • Magnesium bis(2-hydroxypropanoate)
  • MAGNESIUM DL(-)-2-HYDROXYPROPIONATE
  • magnesium dl-lactate
  • Magnesium L-lactate trihydrate
  • Magnesium lactate
  • Magnesium lactate (1:2)
  • Magnesium lactate anhydrous
  • MAGNESIUM LACTATE, (+-)-
  • MAGNESIUM LACTATE, (+/-)-
  • MAGNESIUM LACTATE, DL-
  • Magnesium, bis(2-(hydroxy-kappaO)propanoato-kappaO)-, (T-4)-
  • Magnesium, bis(2-hydroxypropanoato-O(1),O(2))-, (T-4)-
  • Magnesium, bis(2-hydroxypropanoato-O(1),O(2))-, (T-4)-(9CI)
  • Magnesium, bis(2-hydroxypropanoato-O1,O2)-, (T-4)-
  • Magnesium, bis(lactato)-
  • Magnesium, bis(lactato)-(8CI)
  • Magnesium, bis[2-(hydroxy-.kappa.O)propanoato-.kappa.O]-, (T-4)-
  • Promagsan

Hazard reference values

No reference value for this substance in the sources we hold.

Evidence and how bodies read it

Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.

Sources for this page

  • gsfa retrieved 2026-09-07

Full licence terms and publisher details on Sources. How this page is built and updated: Method.

Machine-readable:/api/v1/additives/magnesium-lactate-dl.json