Vetoquinol Enisyl-F Oral Paste for Cats, 100ml Enisyl-F with L-Lysine comes in a unique pump that makes it simpler to administer, when your cat shows the upper respiratory signs of a herpes virus outbreak. Highly palatable paste that is easily accepted by most cats. Enisyl-F is a safe, affordable and palatable paste for your kitten or adult cat. Manufactured according to Good Manufacturing Practices (GMP) standards. Ingredients: Purified water, L-Lysine HCI, sorbitol, cod liver oil, xanthan gum, tuna flavor, soya lecithin, silica aerogel, caramel color, potassium sorbate, sodium benzoate. Administration: Adult cats: 1 to 2 mL twice a day Kittens: 1 mL twice a day, or as recommended by your veterinarian.