Protein Hydrolysate
other · base score -1 · also listed as hydrolyzed protein, protein hydrolysate, hydrolysed protein, hydrolyzed proteins, hydrolysed fish protein, hydrolysed fish proteins
What is it?
Protein Hydrolysate is another common food ingredient. Graded poor: cheap, vague or of questionable value, so it drags a product’s score down.
At a glance
- Category
- other
- Grade
- poor
- Base score
- -1 (from −1 to 1; higher is better)
- Found in
- 110 products
- Also listed as
- hydrolyzed protein, protein hydrolysate, hydrolysed protein, hydrolyzed proteins, hydrolysed fish protein, hydrolysed fish proteins
Common questions about protein hydrolysate
Is Protein Hydrolysate 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 protein hydrolysate?
110 UK products list protein hydrolysate as an ingredient in our database. The full list is shown below, sorted by rating.
What else is protein hydrolysate called on labels?
Manufacturers list it under several names: hydrolyzed protein, protein hydrolysate, hydrolysed protein, hydrolyzed proteins, hydrolysed fish protein, hydrolysed fish proteins. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade protein hydrolysate?
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.
What is protein hydrolysate in dog food?
Protein hydrolysate is protein that has been broken down into smaller fragments by a chemical or enzymatic process. Manufacturers may use it for flavour, palatability, or to alter the protein structure in the food.
Why do some dog foods list protein hydrolysate instead of a named meat?
It is a processed protein ingredient that does not reveal which animal or plant source was used. If you prefer transparency, look for foods that name the specific protein source, such as chicken, salmon or lamb.









