Digestoa
Additive · Acidity regulator

Potassium carbonates (E501)

Potassium carbonates (E501) is an acidity regulator that Digestoa rates as low concern — it's considered safe at the levels used in food.

Digestoa riskNo known risk
TypeAcidity regulator
Found insoft drinks, sweets, sauces, processed cheese and canned foods

What is Potassium carbonates?

Potassium carbonates (E501) is an acidity regulator — used to control acidity and balance flavour.

Is Potassium carbonates bad for you?

Potassium carbonates is permitted in food and Digestoa rates it as low concern. There's no strong evidence it causes harm at the levels typically used in food.

What foods contain Potassium carbonates?

Soft drinks, sweets, sauces, processed cheese and canned foods.

Digestoa's take

You don't need to avoid Potassium carbonates. It's one of the more benign things on an ingredients list — worth knowing, not worth worrying about.

Safer swaps

Choose less-processed products with short, recognisable ingredient lists.

Frequently asked questions

Is E501 the same as Potassium carbonates?
Yes — E501 is the international additive (E-number) code for Potassium carbonates.
Is Potassium carbonates bad for you?
Digestoa rates Potassium carbonates (E501) as low concern. It's permitted in food and considered safe at normal dietary levels.
What are the side effects of Potassium carbonates?
No significant side effects are associated with Potassium carbonates at the levels used in food.
What foods contain Potassium carbonates?
Soft drinks, sweets, sauces, processed cheese and canned foods.
How can I avoid Potassium carbonates?
Check the ingredients list for "Potassium carbonates" or "E501", or scan the product with Digestoa to see if it's present before you buy.

Related acidity regulator additives

Phosphoric acid (E338)Sodium phosphates (E339)Potassium phosphates (E340)Calcium phosphates (E341)Sodium lactate (E325)Citric acid (E330)

Risk ratings reflect Digestoa's editorial assessment synthesising EFSA/IARC opinions and peer-reviewed research. Informational only — not medical advice.