ROYAL CANIN Feline Calm Dry (8.8 lb) A peptide from milk Alpha-casozepine this molecule has proven to have a number of behavioral changes in Cats that causes them to React better to strangers, Behavior cause by fear, and other Clinical signs L-tryptophan an amino acid that creates a sense of well-being in pets Nicotinamide Contains Vitamin B3 which gives relaxing and anti-anxiety effects to the central nervous system. creating a calming effect Additional benefits such as Skin Function from amino acids and vitamins, Supports Digestive Function from proteins and chicory and beef pulp are a great source of fiber