Phosphoric Acid

Phosphoric acid is a chemical made from the mineral phosphorus that helps modulate the acidity in foods and drinks and gives them a tangy flavor. Phosphorus, an essential mineral, is naturally present in many foods.

Found In
  • Beverages
  • Processed meats and cheeses
Also Known As
  • E338
  • Orthophosphoric Acid
  • White Phosphoric Acid
The Beverage Bottom Line

Phosphoric acid is authorized for use in the U.S., Europe and Canada.

This ingredient may have authorizations in countries not included on this site.

International Assessments and Authorizations

U.S. Food And Drug Administration

Generally recognized as safe for intended uses. ()

In 2006, dietary reference intakes for phosphorus were reviewed by the National Academies of Sciences, Engineering and Medicine.

In 1975, the health aspects of phosphates as food ingredients were evaluated.

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European Food Safety Authority

Safe for intended uses. Authorized for use in the EU (nutrient, additives).

In 2019, EFSA assessed the safety of phosphoric acid and its salts.

In 2015, EFSA established dietary reference values for both phosphorus.

In 2009 and 2011, EFSA reviewed health claims for phosphorus.

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Joint FAO/WHO Expert Committee on Food Additives

Safe for intended uses.

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Safe for intended uses.

In 2006, dietary reference intakes for phosphorus were reviewed by the National Academies of Sciences, Engineering and Medicine.

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This page was last updated on 6/30/2025