Hill's Prescription Diet Skin/Food Sensitivities z/d Original Flavor Review

Compare Prices To Find The Lowest Price
95.99 + Shipping (Free)
$62.39 First Auto-Ship Order
Free 1-3 Day Shipping Orders $49+
35% Off First Auto-Ship
92.16 + Shipping (Free)
Free Shipping On Orders $35+
95.99 + Shipping (Free)
Free Shipping On Orders $49+

PawDiet has been helping pet owners since 2015. To fund our efforts, articles may include affiliate links; if you buy something through a link, we may earn a commission.


Review of Hill's Prescription Diet Skin/Food Sensitivities z/d Original Flavor

According to our data, this Hill's Prescription Diet recipe provides complete & balanced nutrition for the maintenance of adult cats. In other words, this formula is AAFCO approved.

Unlike other AAFCO approved cat foods which rely in laboratory testing to substantiate nutritional adequacy, this recipe has undergone feeding trials. In the pet food industry, feeding trials are often considered to be the superior testing method.

Animal feeding tests using AAFCO procedures substantiate that Hill's Prescription Diet Skin/Food Sensitivities z/d Original Flavor provides complete and balanced nutrition for the maintenance of adult cats.

Review of Ingredients

In our review of Hill's Prescription Diet Skin/Food Sensitivities z/d Original Flavor, we'll examine all 33 ingredients and highlight the nutritional contribution of each ingredient.

While the first few ingredients typically dominate the recipe's composition, ingredients in small quantities can still have a meaningful impact on the overall nutritional profile of the recipe.

  1. Hydrolyzed Chicken Liver is a highly digestible source of protein, essential amino acids, vitamins, and minerals for your cat. This ingredient supports muscle growth, immune function, and overall well-being.

  2. Water is an essential component of your cat's diet, as it helps maintain proper hydration levels, supports digestion, and aids in the absorption of nutrients. It's crucial for maintaining your cat's overall health and well-being.

  3. Corn Starch is a highly digestible carbohydrate source used in some cat foods as a binding and thickening agent. It provides a source of energy and can contribute to maintaining a healthy weight and steady blood sugar levels for your cat.

  4. Powdered Cellulose is a form of dietary fiber that can help maintain healthy digestion and weight management in cats by providing a feeling of fullness and promoting regular bowel movements.

  5. Soybean oil is a plant-based source of essential fatty acids, which can help maintain healthy skin and coat for your cat. However, animal-based fats are generally more beneficial for cats, so soybean oil should be used in moderation.

  6. Calcium carbonate is a common ingredient in cat food, used as a source of dietary calcium to support bone health and several key metabolic functions.

  7. Potassium Chloride is a vital mineral that supports your cat's overall health by maintaining proper muscle function, nerve communication, and fluid balance in the body.

  8. DL-Methionine is an essential amino acid that helps maintain healthy skin and coat, supports immune function, and promotes overall well-being in cats.

  9. Choline chloride is an essential nutrient that aids in maintaining cellular function and overall health in cats.

  10. Dicalcium phosphate is an essential mineral supplement that supports your cat's bone health and overall well-being.

  11. Vitamin E Supplement is an essential nutrient that plays a vital role in supporting your cat's immune system, skin health, and overall well-being. It also acts as a powerful antioxidant, protecting your cat's cells from damage caused by free radicals.

  12. Thiamine mononitrate is a source of Vitamin B1, essential for energy metabolism and nervous system function in cats.

  13. L-Ascorbyl-2-Polyphosphate is a source of Vitamin C, which is an antioxidant that helps protect your cat's cells from damage and promotes a healthy immune system.

  14. Niacin Supplement is a form of vitamin B3 that plays a crucial role in supporting your cat's skin, nervous system, and digestive health, as well as promoting energy production.

  15. Pyridoxine hydrochloride, also known as Vitamin B6, plays a vital role in your cat's metabolism, immune system function, and nerve health, ensuring their overall well-being.

  16. Calcium pantothenate is a form of vitamin B5, which is essential for energy production, metabolism, and supporting your cat's overall health.

  17. A vitamin B12 supplement is an essential nutrient for your cat, supporting their nervous system, brain function, and red blood cell production.

  18. Riboflavin Supplement is a source of Vitamin B2, which supports your cat's energy production, metabolism, and overall well-being.

  19. Biotin is a B vitamin that helps support your cat's skin and coat health, as well as their metabolism and nervous system.

  20. Vitamin D3 Supplement is an essential nutrient that supports your cat's bone health and immune system. It helps regulate calcium and phosphorus levels, ensuring strong bones and teeth, and plays a crucial role in maintaining overall well-being.

  21. Folic Acid is a B vitamin that is essential for your cat's health. It plays a crucial role in DNA synthesis, cell division, and the production of red blood cells. A deficiency in folic acid can lead to anemia and other health problems, making it an important ingredient in cat food.

  22. Iodized Salt is an essential source of iodine, a trace element that supports your cat's thyroid function and overall metabolism.

  23. Calcium Sulfate is added to cat food as a source of calcium, which is essential for strong bones and teeth.

  24. Cysteine is an essential amino acid that supports the production of taurine, a crucial nutrient for cats' heart and eye health.

  25. L-Lysine is an essential amino acid that helps support your cat's immune system and is also vital for the production of certain proteins, enzymes, and antibodies.

  26. Taurine is an essential amino acid that plays a crucial role in your cat's heart function, vision, and reproduction. Cats cannot synthesize taurine in sufficient amounts, making it a vital addition to their diet.

  27. Zinc Oxide is a source of essential trace mineral zinc, which plays a vital role in maintaining a healthy immune system, skin and coat health, and supporting various metabolic processes in your cat's body.

  28. Ferrous Sulfate is an essential source of iron for your cat, which helps support the production of red blood cells and maintains healthy energy levels. It also plays a vital role in your cat's overall health and well-being.

  29. Manganese sulfate is a source of manganese, an essential mineral for bone health and enzyme function.

  30. Copper sulfate is used in cat food as a source of copper, a vital mineral that supports various body functions including iron absorption and blood cell formation.

  31. Calcium Iodate is an essential mineral supplement that provides your cat with the necessary iodine to support thyroid function and overall metabolic health. It helps maintain a healthy coat, skin, and immune system.

  32. Potassium citrate is a source of potassium, an essential mineral for proper heart and muscle function in cats. It also helps maintain a healthy urinary pH.

  33. Beta-Carotene is a powerful antioxidant that helps support your cat's immune system and promotes healthy skin and coat by neutralizing harmful free radicals.

Review of Guaranteed Analysis

The Crude Protein minimum of 34.30% is likely to be primarily contributed by the Hydrolyzed Chicken Liver, which is listed as the first ingredient. This ingredient is a high-quality source of animal protein. The DL-Methionine, Cysteine, and L-Lysine are also amino acids that contribute to the overall protein content.

The Crude Fat minimum of 17.70% is likely to come from the Soybean Oil, which is a common source of plant-based fats in pet foods. The Hydrolyzed Chicken Liver could also contribute to the fat content, as liver is known to be a fatty organ.

The Crude Fiber maximum of 1.80% is likely to come from the Powdered Cellulose and Corn Starch. Cellulose is a type of plant fiber that is often used in pet foods to aid in digestion, while corn starch can also contribute to the fiber content.

The Calories of 1114.00 per kg are derived from all the ingredients but are primarily from the main sources of protein (Hydrolyzed Chicken Liver) and fat (Soybean Oil). The corn starch, while also contributing to the fiber content, is a carbohydrate that provides additional calories.

The vitamins and minerals listed are likely to be present in small amounts in the natural ingredients, but are primarily added separately to ensure that the food provides complete and balanced nutrition. These include the Vitamin E Supplement, Thiamine Mononitrate, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), and others. The minerals such as Zinc Oxide, Ferrous Sulfate, Manganese Sulfate, Copper Sulfate, and Calcium Iodate are also added to provide essential nutrients.

Review of Affordability

According to our data, Hill's Prescription Diet Skin/Food Sensitivities z/d Original Flavor costs approximately $11.16 per pound. The following table provides our estimate of the monthly cost to feed this recipe exclusively as your cat.

Adult WeightAdult
5 lbs $214.70
10 lbs $361.09
15 lbs $489.42
20 lbs $607.27
30 lbs $823.10
40 lbs $1021.31
50 lbs $1207.37
60 lbs $1384.29
70 lbs $1553.95
80 lbs $1717.63
90 lbs $1876.27
100 lbs $2030.54

Estimates are based on average prices and caloric requirements.

Summary of Customer Reviews

Many customers have found Hill's Prescription Diet Skin/Food Sensitivities z/d Original Flavor to be highly effective for their cats with food sensitivities and digestive issues. Cats that were previously vomiting frequently have seen significant improvements in their health after switching to this food. Some cats that initially refused to eat the food started to accept it when water was added to change the texture.

However, a common complaint among customers is the texture of the food, which is often described as gelatinous or rubbery. Many customers suggested adding water to the food to make it more palatable for their cats. While some cats still refused to eat the food even with these modifications, others began to enjoy it.

A few customers noted that their cats experienced loose stools or increased thirst after eating this food. Others mentioned that their cats preferred the dry version of this food over the canned variety. Despite these issues, many customers expressed satisfaction with the improvements they saw in their cats' health and were willing to continue purchasing the product.

The price of the food was another common concern among customers. Many felt that the food was quite expensive, but were willing to pay the price due to the positive impact it had on their cats' health. Some customers wished that the food came in smaller can sizes to reduce waste.

Overall, customers recommended this food for cats with food sensitivities and digestive issues, but suggested adding water to improve the texture and palatability.