Magnesium L-threonate: authorised novel food in the EU
Magnesium L-threonate is on the Union list of authorised novel foods (Implementing Regulation (EU) 2017/2470). Conditions of use and maximum levels: Food supplements as defined in Directive 2002/46/EC for adults, excluding pregnant and lactating women: 250 mg/day
- Regulation
- Implementing Regulation (EU) 2017/2470, Annex, Table 1
- Listed as
- Magnesium L-threonate
- Text version
- Consolidated text of 10 August 2026
- Version
- Consolidated text of 10 August 2026
- Official source
- Implementing Regulation (EU) 2017/2470, Annex, Union list of novel foods
Conditions of use and maximum levels
Table 1, column "Conditions under which the novel food may be used", as written:
- Food supplements as defined in Directive 2002/46/EC for adults, excluding pregnant and lactating women: 250 mg/day
Additional specific labelling requirements
1. The designation of the novel food on the labelling of the foodstuffs containing it shall be ‘Magnesium L-threonate’. 2. The labelling of food supplements containing magnesium L-threonate shall bear a statement that the food supplements should be consumed by adults only, excluding pregnant and lactating women.
Specification (Table 2)
Table 2 of the Annex, row with the same name, as written:
Description/Definition:
The novel food is produced by chemical synthesis and consists of magnesium L-threonate.
Chemical identity:
Chemical (IUPAC) name: Magnesium (2R,3S)-2,3,4-trihydroxybutanoate monohydrate
Common name: magnesium L-threonate
Molecular formula: C8H16MgO11
CAS number: 500304-76-7
Molecular weight: 312,5 Da
Characteristics/composition:
Appearance: White powder
Mg L-threonate monohydrate: 98 %-102 %
Magnesium: 7,2 %-8,3 %
L-Threonate: 82 %-91 %
Oxalic acid: ≤ 1 %
Ethanol: ≤ 5 000 ppm
Loss on drying: ≤ 5,0 %
Microbiological criteria:
Total aerobic microbial count: ≤ 100 CFU/g
Total yeast and moulds count: ≤ 10 CFU/g
E. coli: Not detected in 10 g
Salmonella: Not detected in 25 g
Abbreviations: CAS: chemical abstracts service, IUPAC: International Union of Pure and Applied Chemistry, CFU: colony forming unit
Source and version
Implementing Regulation (EU) 2017/2470, Annex, Union list of novel foods, Table 1. Consolidated text of 10 August 2026. The text above is copied from that document without change except that amendment markers are removed. It is not advice and it does not decide whether a particular product is covered.
Want the whole list as one table?
If we publish the Union list as one table (name, food category, maximum level), we write to you once. We use the email for nothing else.