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Food additive reference

Acidity regulators (E-numbers)

Acidity regulators control and stabilise pH. Citric acid, phosphates and carbonates are widely used.

77 additives in this category, grouped by regulatory level. Informational only — not medical or dietary advice; see the methodology.

Questions about Acidity regulators

What are Acidity regulators?
Acidity regulators are a regulatory class of food additives. Their technological function is: control and stabilise food pH. In the EU, permitted uses are governed by Regulation (EC) No 1333/2008.
Which E-numbers belong to Acidity regulators?
Forkin tracks 77 additives in this category, including Calcium carbonate (E170I), Acetic acid (E260), Potassium acetate (E261), Sodium acetates (E262). This page lists their regulatory levels.
Are Acidity regulators vegan?
It depends on the individual additive and its source. The Forkin app shows product-specific vegan and vegetarian signals where available, based on ingredient and label data, rather than guessing from the category.

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