Magnesium phosphates
Function: Stabiliser
E343 is the European food-additive number for Magnesium phosphates, a stabiliser — keeps a food's physical state uniform and stops it separating. Magnesium phosphates (E343) is a stabiliser used as a food additive.
What is E343 used for?
Magnesium phosphates (E343) is a stabiliser — keeps a food's physical state uniform and stops it separating. It is added during food production for a technological purpose rather than for nutrition. See all stabilisers (E-numbers).
Is E343 safe or restricted?
E343 faces restrictions under EU rules on how, where, or in what quantities it may be used. Forkin classifies it as “Restricted use” 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 E343 vegan or vegetarian?
Magnesium phosphates (E343) 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 E343?
E343 appears in 240 of the 4.7 million products in Forkin's catalogue — most often in protein powder / shake, dietary supplements and protein bars.
- Protein Powder / Shake44
- Dietary Supplements24
- Protein Bars17
- Baby Formula (Powder)12
- Coconut Milk11
- Drinking Yogurt / Kefir6
- Orange Juice6
- Juice6
Often appears alongside
Additives most frequently found in the same ingredient lists as E343 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 E343
- What is E343?
- E343 is the E-number for Magnesium phosphates, a stabiliser — keeps a food's physical state uniform and stops it separating. Magnesium phosphates (E343) is a stabiliser used as a food additive.
- What is E343 used for?
- Magnesium phosphates (E343) is a stabiliser — keeps a food's physical state uniform and stops it separating. 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 E343?
- E343 appears in 240 of the 4.7 million products in Forkin's catalogue — most often in protein powder / shake, dietary supplements and protein bars. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E343 vegan or vegetarian?
- Magnesium phosphates (E343) 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 E343 safe, and is it banned anywhere?
- E343 faces restrictions under EU rules on how, where, or in what quantities it may be used. Forkin classifies it as "Restricted use" 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 E343 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.