Prescription Diet a/d is clinically tested nutrition to support dogs and cats recovering from surgery, illness or injury so you can feel confident you are giving your pet your best. It’s made in the USA with global ingredients you can trust, and was developed by Hill’s nutritionists and veterinarians. This food has exceptional taste to encourage eating and includes increased clinically proven antioxidants to support immunity. It also has a consistency that is smooth, soft and moist and stirring makes it more liquid for maximum flexibility in feeding - by hand, bowl, spoon, and suitable for syringe or tube feeding by a veterinarian. Please consult your veterinarian for further information on how Prescription Diet foods can help your dog or cat.