Boost your cat's immune system and respiratory health with this convenient powder supplement. Packed with a generous amount of L-lysine, an amino acid crucial for producing antibodies that support a normal immune response, it helps manage upper respiratory issues like conjunctivitis and other symptoms of feline herpes. This veterinarian-formulated Cat L-lysine Powder is made in Vermont, free from corn, artificial flavors, and dyes, and features a delicious chicken liver flavor that your cat will adore!