Type: Color additive
Source: Synthetic colorant
Blue 1 in Dog and Cat Food
Blue 1 is a synthetic food dye used to color products. In pet food, it may be used to change or standardize appearance.
Why It Appears on Pet Food Labels
Blue 1 may be added to:
- Improve product appearance
- Create consistent color between batches
- Support visual branding of kibble or treats
Where It Is Commonly Found
- Commercial treats
- Some dry kibble products
Label Context
Color additives are used for appearance rather than nutrition. Some labels list specific dyes (like Blue 1), while others use broader terms like “artificial color.”
For pet-specific considerations, use the ingredient scan tool.
Educational Note
This page is part of the PetFoodDecoded Label Ingredient Library and is provided for educational reference only.