Monomagnesium phosphate
Function: Stabiliser
E343I is the European food-additive number for Monomagnesium phosphate, a stabiliser — keeps a food's physical state uniform and stops it separating. Monomagnesium phosphate (E343i) is a stabiliser used as a food additive.
What is E343I used for?
Monomagnesium phosphate (E343I) 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 E343I safe or restricted?
E343I 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 E343I vegan or vegetarian?
Monomagnesium phosphate (E343I) 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 E343I?
E343I appears in 38 of the 4.7 million products in Forkin's catalogue — most often in chocolate chips / baking chocolate, white bread and protein powder / shake.
- Chocolate Chips / Baking Chocolate7
- White Bread5
- Protein Powder / Shake3
- Flavored Water2
- Dietary Supplements2
- Bagels1
- Wraps & Burritos1
- Cream-Filled Cookies1
Often appears alongside
Additives most frequently found in the same ingredient lists as E343I 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 E343I
- What is E343I?
- E343I is the E-number for Monomagnesium phosphate, a stabiliser — keeps a food's physical state uniform and stops it separating. Monomagnesium phosphate (E343i) is a stabiliser used as a food additive.
- What is E343I used for?
- Monomagnesium phosphate (E343I) 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 E343I?
- E343I appears in 38 of the 4.7 million products in Forkin's catalogue — most often in chocolate chips / baking chocolate, white bread and protein powder / shake. Scan any barcode with the Forkin app to see instantly whether a specific product contains it.
- Is E343I vegan or vegetarian?
- Monomagnesium phosphate (E343I) 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 E343I safe, and is it banned anywhere?
- E343I 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 E343I — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it. See view pricing.