Real Tuna as the Primary Ingredient: Contains high-quality real tuna (usually from sustainable sources) as the first ingredient. Tuna is an excellent source of easily digestible protein, essential for building strong muscles and healthy kitten growth. Delicious Broth to Boost Hydration: The tuna is served in a delicious, rich broth, which increases the appeal of the food to kittens and significantly increases their fluid intake. Adequate hydration is vital for urinary and kidney health in kittens.