Phosphoric Acid
additive · base score -1
What is it?
Phosphoric Acid is an additive, such as a preservative, flavouring or colouring. Graded poor: cheap, vague or of questionable value, so it drags a product’s score down.
At a glance
- Category
- additive
- Grade
- poor
- Base score
- -1 (from −1 to 1; higher is better)
- Found in
- 2 products
- Also listed as
- -
Common questions about phosphoric acid
Is Phosphoric Acid good for dogs?
We grade it as a poor ingredient: typically cheap, vague or of questionable nutritional value, so it drags a product’s score down. One poor ingredient does not make a food bad on its own, but a recipe built from several usually scores low.
How many UK dog foods contain phosphoric acid?
2 UK products list phosphoric acid as an ingredient in our database. The full list is shown below, sorted by rating.
How does Open Dog Food grade phosphoric acid?
We grade it poor, our lowest grade, used for cheap, vague or low-value ingredients. Every ingredient is converted to its dry-matter share and scored from our glossary before a recipe gets its 1-100 rating; the full method is on our methodology page.

