E343Acidity Regulator

Magnesium phosphates

Learn what Magnesium phosphates (E343) is, why it's added to food, whether it's safe, and which products contain it.

Low concern

What is Magnesium phosphates?

Food additive with functions as an acidity regulator, emulsifier, sequestrant, humectant, and stabilizer (for water retention and thickening), available in the forms E 343(i) – Monomagnesium phosphate or E 343(ii) – Dimagnesium phosphate.

Why is Magnesium phosphates added to food?

Magnesium phosphates (E343) is a acidity regulator commonly found in: Baking flour, sauces, emulsions.

Permitted quantity: The maximum allowable daily intake of phosphorus for human consumption is up to 70 mg/kg body weight.

Is Magnesium phosphates safe?

Low concern

Excessive amounts of phosphates may cause metabolic disturbances.

Is Magnesium phosphates banned anywhere?

✓ Not currently banned in the EU or known to be restricted in other countries.

Is Magnesium phosphates okay for kids?

Not allowed in food intended for infants and young children.

Common foods that contain Magnesium phosphates

  • Baking flour
  • sauces
  • emulsions

See the full list of foods that contain Magnesium phosphates

How to spot Magnesium phosphates on labels

Look for any of these names in the ingredients list:

  • E343
  • Magnesium phosphates

Common misspellings to watch for:

  • magnesium phosdhates
  • mdgnesium phosphates
  • magneslum phosphates
  • magnesium dhosphates
  • magnesium phosphates
  • maqnesium phosphates
  • magne$ium phosphates
  • magnesium pho$phates
  • magnesium phosphdtes
  • magnesium phosphate$

Better alternatives

• Not recommended for individuals with renal insufficiency, as magnesium may affect kidney function. • Excessive use may lead to laxative effects or electrolyte imbalances. • Individuals with cardiovascular conditions or low blood pressure should avoid excessive consumption of magnesium phosphates due to the risk of lowering blood pressure.

Explore homemade alternatives to processed snacks →

Also known as

  • magnesium phosdhates
  • mdgnesium phosphates
  • magneslum phosphates
  • magnesium dhosphates
  • magnesium phosphates
  • maqnesium phosphates
  • magne$ium phosphates
  • magnesium pho$phates
  • magnesium phosphdtes
  • magnesium phosphate$

Scan products with BioBrief

Not sure if a product contains Magnesium phosphates? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E343 — with a plain-language explanation.

Frequently asked questions about Magnesium phosphates

Is Magnesium phosphates safe to eat?
Excessive amounts of phosphates may cause metabolic disturbances.
Is Magnesium phosphates banned anywhere?
Magnesium phosphates is not currently banned in the EU or known to be restricted in other countries.
Is Magnesium phosphates safe for children?
Not allowed in food intended for infants and young children.
How do I spot Magnesium phosphates on a food label?
Look for E343, Magnesium phosphates in the ingredients list. It may also appear as: magnesium phosdhates, mdgnesium phosphates, magneslum phosphates.

Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.