{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/ferrous-ascorbate",
  "slug": "ferrous-ascorbate",
  "name": "Ferrous ascorbate",
  "identifiers": {
    "e_number": null,
    "ins_number": null,
    "cas_number": "24808-52-4",
    "inchikey": "RFBYLSCVRUTUSB-ZZMNMWMASA-L",
    "pubchem_cid": 86763295
  },
  "functional_class": null,
  "summary": "Ferrous ascorbate combines iron with vitamin C, which improves how much of the iron the body absorbs.",
  "derivation_summary": "Made by reacting an iron salt with ascorbic acid. The pairing is deliberate: ascorbate keeps iron in the more absorbable form.",
  "regulatory_status": [
    {
      "jurisdiction": "US",
      "jurisdiction_name": "United States",
      "authority": "Food and Drug Administration",
      "status": "permitted",
      "status_label": "Permitted",
      "provision_count": 1,
      "provisions": [
        {
          "status": "permitted",
          "food_category": null,
          "max_level": null,
          "max_level_unit": null,
          "conditions": null,
          "effective_from": null,
          "citation": {
            "ref": "21 CFR 184.1307a",
            "url": "https://www.ecfr.gov/current/title-21/section-184.1307a"
          },
          "source": "ecfr",
          "retrieved_at": "2026-09-07T18:25:51.549Z"
        }
      ]
    },
    {
      "jurisdiction": "CODEX",
      "jurisdiction_name": "Codex Alimentarius",
      "authority": "Codex Alimentarius Commission / JECFA",
      "status": "not_listed",
      "status_label": "Not listed",
      "note": "Does not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.",
      "provision_count": 0,
      "provisions": []
    }
  ],
  "names": [
    {
      "name": "24808-52-4",
      "type": "cas",
      "source": "ecfr"
    },
    {
      "name": "(2R)-2-((1S)-1,2-DIHYDROXYETHYL)-4,5-DIHYDROXYFURAN-3-ONE, IRON(2+)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ascofer",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Complefer",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dihydrogen bis(L-ascorbato(2-)-02,03)ferrate(2-)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FERRATE(2-), BIS(L-ASCORBATO(2-)-.KAPPA.O2,.KAPPA.O3)-, DIHYDROGEN",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FERRATE(2-), BIS(L-ASCORBATO(2-)-.KAPPA.O2,.KAPPA.O3)-, HYDROGEN (1:2)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ferrate(2-), bis(L-ascorbato(2-)-02,03)-, dihydrogen",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FERRATE(2-), BIS(L-ASCORBATO(2-)-O2,O3)-, DIHYDROGEN",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ferrous ascorbate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ferrous cevitamate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Iron(2+) di-L-ascorbate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Iron(2+) L-ascorbate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Iron(II) ascorbate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "L-Ascorbic acid, iron(2+) salt (2:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nedifer",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "IRON(2+) BIS((2S)-2-((2R)-3,4-DIHYDROXY-5-OXO-2,5-DIHYDRO-2-FURANYL)-2-HYDROXYETHANOLATE)",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "Iron(2+) bis{(2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate}",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "Ferrous ascorbate",
      "type": "label",
      "source": "ecfr"
    }
  ],
  "hazard_reference_values": [],
  "sources": [
    {
      "key": "ecfr",
      "name": "Electronic Code of Federal Regulations, Title 21",
      "publisher": "U.S. Government Publishing Office / National Archives",
      "licence": "Public domain",
      "url": "https://www.ecfr.gov/api/versioner/v1/full/2026-08-31/title-21.xml",
      "retrieved_at": "2026-09-07T18:25:51.549Z"
    }
  ],
  "citation_policy": "Cite as: Food Additive Index, \"Ferrous ascorbate\", https://foodadditiveindex.com/additives/ferrous-ascorbate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.537Z"
}