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Ingredient Guide

🇬🇧 Citric Acid on Food Labels in UK

Citric Acid is permitted with proper declaration in United Kingdom: declare as "citric acid (E330)" in the ingredient list.

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What the Rule Is

Citric acid (E330) is the most widely used food acid, providing tartness and pH control in drinks, sweets, and preserves; commercially it is produced by fermentation. In United Kingdom, Citric Acid is regulated under Retained EU Law & UK FIC as a food acidity-regulator. UK retains EU authorization. Declared as "acidity regulator (E330)". Widely accepted by consumers, often considered "natural".

What You Must Include
  • Declare as "citric acid (E330)" in the ingredient list
  • Declare with functional class: "acidity regulator" and E-number E330
  • Review all compound ingredients for hidden sources
  • Cross-check all compound ingredients and sub-ingredients for hidden sources
Common Violations
  • Incorrect or missing declaration name — must use "citric acid (E330)"
  • Using an ambiguous or abbreviated name that does not identify Citric Acid
  • Omitting the E-number E330 where required
  • Not updating the label after recipe changes involving this ingredient
  • Failing to check compound ingredients for hidden Citric Acid content
Examples: Compliant vs Non-Compliant

Compliant Examples

"acidity regulator: citric acid (E330)"
"citric acid (E330)" in ingredient list
Full ingredient line: "Ingredients: ... citric acid (E330) ..."

Non-Compliant Examples

Using a synonym (Citric acid, Citrate) without the approved declaration name
Ingredient list with "Citric Acid" without functional class or E-number
"Natural [ingredient category]" without specific name where specific name is required
How LabelGuard Checks This

LabelGuard scans your label for Citric Acid and all its common names (E330, Citric acid, Citrate) to verify correct declaration, required E-numbers, and proper functional class labeling under UK rules.

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Frequently Asked Questions

What is citric acid (E330)?

Citric acid (E330) is the most widely used food acid, providing tartness and pH control in drinks, sweets, and preserves; commercially it is produced by fermentation. It commonly appears in: Soft drinks, Confectionery, Preserved vegetables, Cheese, Ice cream.

Is citric acid bad for you?

Citric acid is a normal human metabolite (the Krebs cycle runs on it) and is among the safest additives known; viral claims about "black mold" hazards are unfounded, as the Aspergillus niger fermentation organism is removed during purification. The one real effect is that frequent acidic drinks contribute to dental erosion.

How must Citric Acid be declared on food labels in UK?

Declare as "citric acid (E330)" in the ingredient list. UK retains EU authorization. Declared as "acidity regulator (E330)". Widely accepted by consumers, often considered "natural".

What are the common synonyms and hidden sources of Citric Acid?

Citric Acid may appear under the following names: E330, Citric acid, Citrate. Common hidden sources include: Soft drinks, Confectionery, Preserved vegetables, Cheese, Ice cream, Hummus, Canned goods.

Is citric acid banned in UK or other markets?

Citric Acid is permitted in all major markets with proper declaration.

Regulation Sources

Last updated: 2026-07-20

Disclaimer: This information is for guidance only and does not constitute legal advice. Always consult official regulations and seek professional legal advice for specific compliance questions.

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