Josera Sinior dry food for large cats weight: 2 kg this ideal food for old cats that need special support during this period. Benefits: - Supports Natural Kidney functions: The special choice of components ensures reducing phosphorous content and providing a comfortable diet for older cat kidney. Rich in animal protein: 70 % of the total protein content. Antioxidants: It contains vitamins C and E, so it supports the function of the natural immune system and helps protect cells from oxidative stress. It also works to combat aging and helps L-Carnitine to prevent muscle loss associated with aging. Torine source: the basic amino acids of cats. Good taste: High acceptance.