Type: Fiber / carbohydrate ingredient
Source: Plant-derived (varies)
Fructooligosaccharides in Dog and Cat Food
Fructooligosaccharides (often shortened as FOS) are carbohydrate compounds derived from plant sources. They may be included as part of fiber-focused or digestive-support blends.
Why It Appears on Pet Food Labels
Fructooligosaccharides may be included to:
- Support formulas that include added fiber ingredients
- Complement digestive-support blends
- Contribute to the overall carbohydrate/fiber profile of the food
Where It Is Commonly Found
- Digestive-support formulas
- Foods listing added fiber ingredients
- Some premium or functional diets
Label Context
Fiber-related ingredients can be listed in multiple ways (beet pulp, chicory root, fructooligosaccharides). The specific ingredient choice and amount varies by product.
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.