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Magnesium citrate

CAS 3344-18-1 · 80/100 · High conf.

Also registered as 2 other CAS numbers

7779-25-1 · 12405-09-3

Magnesium citrate chemical structure

Concern score

80/100Critical concern based on regulatory listings.
High confidence

Magnesium citrate in plain language

What it is

Also known as Hexaaquomagnesium bis · Magnesium citrate tribasic hydrate · Trimagnesium dicitrate · Trimagnesium dicitrate anhydrous · Citric acid, magnesium salt (2:3) · Magnesium citrate tribasic anhydrous

Show all 11 names

Magnesium 2-hydroxypropane-1,2,3-tricarboxylate (3/2) · trimagnesium bis(2-hydroxypropane-1,2,3-tricarboxylate) · Citramag · Magnesium citrate (3:2) · citric acid sesquimagnesium hydrate

What it does

Used in food as a food additive.

  • Food additive
  • Conditioner
Is it a concern?
Critical concern: no hazard classifications on record.

Why it's flagged

EPA CPDat observed this chemical in 7 composition records across product categories including Laboratory supplies, Personal care.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Magnesium citrate appears in these published regulatory listings.

  • In marketed US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Industrial
  • EUEFSAEFSA opinionSafety of trimagnesium dicitrate anhydrous (TMDC) to be used as a food additive in food supplements in solid and chewable forms (EFSA ANS)
    • Safety of trimagnesium dicitrate anhydrous (TMDC) to be used as a food additive in food supplements in solid and chewable forms (EFSA ANS)Source →
  • GLOBALJECFANO ADI ALLOCATEDJECFA evaluation lists ADI NO ADI ALLOCATED. Functional class: food additive.
    • JECFA evaluation lists ADI NO ADI ALLOCATED. Functional class: food additive.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 7 composition records across product categories including Laboratory supplies, Personal care. EPA CPDat classifies this chemical for functional uses including Softener and conditioner.
    • EPA CPDat observed this chemical in 7 composition records across product categories including Laboratory supplies, Personal care. EPA CPDat classifies this chemical for functional uses including Softener and conditioner.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 83 active drug products and 83 total products.
    • FDA NDC lists this ingredient in 83 active drug products and 83 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    • JECFA evaluation lists ADI NO ADI ALLOCATED. Functional class: food additive.

      Year not recorded · GLOBAL JECFA listing · Read the source →

  • EFSA

    European Food Safety Authority

    • Safety of trimagnesium dicitrate anhydrous (TMDC) to be used as a food additive in food supplements in solid and chewable forms (EFSA ANS)

      2016 · EU EFSA listing · Read the source →

Evidence & sources

No graded research studies for Magnesium citrate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

8 data sources

Where this comes from

  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →

  • EPA Chemical and Products Database

    exposure · updated November 2014

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2027-12-31

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • WHO JECFA Database

    regulatory · updated 2026-10-04

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often FDA National Drug Code directory has listed Magnesium citrate in a product composition. These are source records, not Greenveil catalog products.

Source records

83

Typical roles

Food additiveConditioner
See products using Magnesium citrate →

Catalog

Found in these products

Their ingredient lists include Magnesium citrate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 11 →Find products without it →