Type: Amino acid
Source: Added as purified L-arginine or supplied via animal proteins
L-Arginine in Dog and Cat Food
L-arginine is an amino acid used in protein metabolism and various biological processes. It is essential for cats.
Why It Appears on Pet Food Labels
L-arginine may be included to:
- Support amino acid balance in formulated diets
- Meet nutritional standards for complete and balanced foods
- Support normal protein metabolism
Where It Is Commonly Found
- Dry kibble
- Breed-specific formulas
- Veterinary or specialty diets
Label Context
Some foods list L-arginine separately when added as a supplement, while others rely on natural arginine from animal proteins.
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.