Magnesium citrate
Function: Acidity regulators
E345 is the European food-additive number for Magnesium citrate, an acidity regulator — used to control and stabilise the pH of a food. Magnesium citrate (E345) is a preservative used as a food additive.
What is E345 used for?
Magnesium citrate (E345) is an acidity regulator — used to control and stabilise the pH of a food. It is added during food production for a technological purpose rather than for nutrition. See all Acidity regulators (E-numbers).
Is E345 safe or restricted?
E345 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as “No known concern” and does not make health claims. See the methodology for how regulatory levels are assigned, or the guide to how EU additives are approved, re-evaluated and banned.
Is E345 vegan or vegetarian?
Magnesium citrate (E345) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians.
The production source can vary between manufacturers — the Forkin app shows the verified vegan and vegetarian status per product. Always read the label for allergens.
Which foods contain E345?
E345 appears in 2,389 of the 4.7 million products in Forkin's catalogue — most often in Electrolyte / Sports Drink, Dietary Supplements, and Protein Powder / Shake.
- Electrolyte / Sports Drink542
- Dietary Supplements402
- Protein Powder / Shake191
- Energy Drink175
- Magnesium166
- Baby Formula (Powder)59
- Collagen57
- Hydration / Electrolyte Mix54
Often appears alongside
Additives most frequently found in the same ingredient lists as E345 across the catalogue.
Counts reflect Forkin's independently enriched product catalogue and update as new products are added — they are not a market-share statistic.
Frequently asked questions about E345
- What is E345?
- E345 is the E-number for Magnesium citrate, an acidity regulator — used to control and stabilise the pH of a food. Magnesium citrate (E345) is a preservative used as a food additive.
- What is E345 used for?
- Magnesium citrate (E345) is an acidity regulator — used to control and stabilise the pH of a food. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
- Which foods contain E345?
- E345 appears in 2,389 of the 4.7 million products in Forkin's catalogue — most often in Electrolyte / Sports Drink, Dietary Supplements, and Protein Powder / Shake. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E345 vegan or vegetarian?
- Magnesium citrate (E345) is typically produced from plant, mineral, or synthetic sources, so it is generally suitable for vegans and vegetarians. The Forkin app shows the verified vegan and vegetarian status per product, since the source can vary between manufacturers.
- Is E345 safe, and is it banned anywhere?
- E345 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as ‘No known concern’ and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E345 — acceptable daily intake (ADI), restrictions by country, vegan and vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.