Protease

Active
Good
Moderate nutritional value

Last updated: February 11, 2026

Table of Contents

Quick Summary

Protease A digestive enzyme that breaks down proteins into amino acids and smaller peptides for absorption. Commonly added to digestive supplements.

Category
Active
Common In
Joint supplements, calming treats, specialty formulas
Also Known As
proteolytic enzyme, protein-digesting enzyme
Watts Rating
Good ✓

What It Is

A digestive enzyme that breaks down proteins into amino acids and smaller peptides for absorption. Commonly added to digestive supplements.

Compare to Similar Ingredients

Why It's Used in Dog Products

Manufacturers include protease in dog food, treats, and supplements for several reasons:

Quality Considerations

When evaluating protease in dog products, it's important to understand clinical evidence, appropriate dosing, and targeted health benefits. This ingredient's quality and appropriateness can vary significantly based on sourcing, processing, and the specific formula it's used in.

Quality Note

Dogs naturally produce proteases (trypsin, pepsin), but supplementation may help dogs with digestive disorders or those transitioning to higher-protein diets. Quality depends on enzyme activity units (HUT - Hemoglobin Unit Tyrosine).

Potential Concerns

While protease can be appropriate in dog nutrition, pet owners should be aware of efficacy, quality of source material, and potential interactions with medications. Individual dogs may respond differently to the same ingredient based on their health status, age, and sensitivities.

Watts' Take

Valuable digestive enzyme for dogs with protein digestion issues or pancreatic conditions. Most beneficial when combined with other digestive enzymes in a full-spectrum formula.

Frequently Asked Questions

Is protease safe for dogs?

Yes, protease is safe for dogs when used appropriately in properly formulated dog food. As with any ingredient, individual dogs may have sensitivities, so monitor for any adverse reactions when first introducing products containing this ingredient.

What does protease do in dog products?

A digestive enzyme that breaks down proteins into amino acids and smaller peptides for absorption. Commonly added to digestive supplements. Dog food manufacturers include this ingredient to provide helps break down dietary proteins and provide may reduce protein-related digestive upset.

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