Enisyl F is an oral paste LLysine HCL Nutritional Supplement for cats. EnisylF is used for treatment of Feline Herpes Virus (FHV1). EnisylF is a palatable lysine base that comes in a unique pump for easy administration. Helps lessen the frequency and severity of FHV1 infections with EnisylF. Each mL contains 250 mg of LLysine HCL in a highly palatable base. Highly palatable base Safe, easytoadminister and affordable Suitable for kittens and adult catsIngredients: Purified water, LLysine HCL, 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 dayKittens: 1 mL twice a day, or as recommended by your veterinarian. Each pressure represents 1 mL of EnisylF paste. EnisylF is extremely tasty and is easily accepted by most cats. It can be applied directly in the mouth, on the nose or on the paw where it can be licked off. Alternatively, you may add the product to your cat's food, if more convenient.