u/d Wet Dog Food

Overview
Hill's Prescription Diet u/d Wet Dog Food is a specialised wet diet formulated for dogs with urate urinary stones or conditions such as portosystemic shunt that require strict management of purine and protein intake. Unlike other types of urinary stones, urate uroliths develop under specific biochemical conditions that require a targeted nutritional approach to dissolve existing stones and prevent recurrence. This formula provides precisely controlled levels of protein and purines to reduce the metabolic conditions that allow urate stones to form.
Formulated by Hill's nutritionists and veterinarians, it is one of the only wet diets specifically designed to address urate urolithiasis in dogs. The wet format provides added hydration, which is beneficial for urinary tract health. Always consult your veterinarian before placing your dog on this specialised diet.
Nutritional Analysis
A nutritional analysis shows how a dog food is made up of its main nutrients, such as protein, fat, fibre and other components. This helps you understand where the food’s nutrition and energy come from, and how the formula is balanced.
Ingredients
Maize Starch, Dried Whole Eggs, Poultry Fat, Pork Liver, Rice, Various Sugars, Coconut Oil, Dried Beet Pulp, Cellulose, Minerals, Flaxseed, Vitamins, Trace Elements, Beta-Carotene.

Corn Starch, Zea Mays Starch, E1401, Cornflour
Maize starch is a carbohydrate ingredient derived from the endosperm of maize (corn) kernels, making it a plant-based component. It serves primarily as a source of easily digestible energy and acts as a functional binder in pet food formulations. Maize starch is utilised in its processed, refined form rather than as whole maize, ensuring consistency, digestibility, and suitability for pet nutrition.
Maize starch is included as a cost-effective carbohydrate source that provides energy and helps bind kibble, optimising texture and processing efficiency. Its neutral flavour and label-friendly profile also support product stability and consumer acceptance.

Whole Egg Powder, Spray-Dried Whole Egg, Dehydrated Whole Egg, Gallus Gallus Domesticus Egg Powder
Dried whole egg is an animal-derived ingredient made by dehydrating entire eggs, including both yolk and white. It serves as a high-quality source of complete protein and essential amino acids, supporting muscle maintenance and overall health in pets. Dried whole egg is used in its natural form, simply processed to remove moisture, ensuring nutrient integrity and ease of inclusion in pet food formulations.
Dried whole egg is included as a highly digestible, nutrient-dense protein source that enhances the amino acid profile of the product. It also serves as a functional ingredient to improve texture and binding in pet food formulations.

Chicken Fat, Gallus Gallus Domesticus Fat, Rendered Chicken Fat, Rendered Gallus Gallus Domesticus Fat
Poultry fat is an animal-derived ingredient obtained from the rendered fat of poultry, such as chicken or turkey. It serves primarily as a concentrated energy source and enhances palatability in pet foods. Poultry fat is utilised in a purified, rendered form rather than as raw animal tissue, ensuring safety, stability, and optimal absorption of essential fatty acids for pets.
Poultry fat is included as a cost-effective and highly digestible source of animal-derived energy and essential fatty acids. It also enhances palatability, making the product more appealing to pets.

Sus Scrofa Domesticus Liver, Swine Liver, Pig Liver, Porcine Liver
Pork liver is an animal-derived organ meat sourced from pigs. It is included in pet food primarily for its rich content of highly bioavailable protein, essential vitamins (notably vitamin A), and minerals such as iron and zinc. Pork liver is used in its natural, whole food form, providing a concentrated source of nutrients to support overall health and vitality in pets.
Pork liver is included as a nutrient-dense organ meat to provide essential vitamins, minerals, and high-quality protein, supporting the nutritional profile of the product. Its strong flavour also enhances palatability, encouraging consumption by pets.

Oryza Sativa, Paddy, Oryza Sativa Grain, Oryza Spp.
Rice is a cereal grain derived from the seeds of the Oryza sativa plant, making it a plant-based ingredient. It serves primarily as a highly digestible source of carbohydrates, providing energy for pets. In pet food, rice is typically used in its natural, whole or milled form, rather than as a processed extract, to optimise digestibility and nutrient availability.
Rice is included as a cost-effective carbohydrate source that provides energy and helps create a desirable texture in pet food. It is also easily digestible, making it suitable for sensitive digestive systems and appealing for marketing as a familiar, label-friendly ingredient.

Mixed Sugars, Sugar Blend, Sugar Mixture, Saccharide Blend
Various sugars are simple carbohydrates derived from plant sources such as sugar cane, sugar beet, or fruits. They are primarily included in pet food to provide a readily available source of energy and to enhance palatability. These sugars are not used in their raw, crystalline form but are incorporated as refined compounds to ensure safety, digestibility, and consistent quality in the final product.
Various sugars are included as cost-effective energy sources and to enhance palatability, making the product more appealing to pets. They may also contribute to improved texture and moisture retention in the final product.

Cocos Nucifera Oil, Copra Oil, E472c, Coconut Fat
Coconut oil is a plant-derived oil extracted from the flesh of mature coconuts. It is primarily included in pet food for its energy-dense medium-chain triglycerides, which support healthy skin, coat, and metabolism. Coconut oil is used in its natural, refined form, ensuring it is safe and readily digestible for pets while delivering its functional nutritional benefits.
Coconut oil is included as a source of medium-chain triglycerides, which are marketed for their potential health benefits and digestibility. It also serves as a label-friendly ingredient that appeals to consumers seeking natural or premium pet food formulations.

Beet Fibre, Beet Fiber, Beta Vulgaris Pulp, Beta Vulgaris Fibre
Dried beet pulp is a fibrous by-product derived from sugar beet plants after sugar extraction. As a plant-based ingredient, it serves primarily as a source of fermentable fibre, supporting digestive health and stool quality in pets. Dried beet pulp is used in its processed, dried form rather than as fresh beet, optimising its digestibility and functional benefits in pet food formulations.
Dried beet pulp is included as a cost-effective source of dietary fibre to promote digestive health and stool quality in pets. It also serves as a bulk-adding agent, helping to optimise the texture and consistency of the final product.

Beta-Glucan Homopolysaccharide, E460, Microcrystalline Cellulose, Plant Fibre
Cellulose is a plant-derived carbohydrate sourced primarily from the cell walls of fibrous plants. It serves as an insoluble dietary fibre in pet food, supporting healthy digestion and promoting optimal stool quality. Cellulose is not used in its raw plant form but is processed into a purified, food-grade powder to ensure consistency, safety, and effective fibre delivery in formulated diets.
Cellulose is included as a cost-effective fibre source to promote digestive health and regulate stool quality in pet food formulations. It also serves as a bulk-adding agent, helping to control calorie density without significantly impacting palatability.

Dietary Minerals, Inorganic Nutrients, Essential Minerals, Bulk Elements
Minerals are essential inorganic nutrients derived from the earth, not produced by animals or plants. They play a critical role in supporting various physiological functions, such as bone development, nerve transmission, and enzyme activity. In pet food, minerals are not used in their natural raw or metallic state; instead, they are incorporated as specific compounds (such as sulphates or chelates) to optimise safety and bioavailability.
Minerals are included to meet essential nutritional requirements for pets, supporting overall health and proper bodily functions. They are often added in precise amounts to ensure the product complies with regulatory standards and nutrient profiles.

Flaxseed, Linum Usitatissimum, Flax, Flaxseed Oil
Linseed, also known as flaxseed, is a plant-derived ingredient sourced from the seeds of the flax plant (Linum usitatissimum). It is primarily included in pet food for its high content of omega-3 fatty acids and dietary fibre, supporting skin health and digestion. Linseed is used in its natural, whole or ground form to optimise nutrient availability and functional benefits.
Linseed is included as a source of omega-3 fatty acids and dietary fibre, supporting skin and coat health as well as digestive function. Its presence also allows manufacturers to market the product as containing plant-based nutrients and functional ingredients.

Micronutrients, Essential Micronutrients, Vital Nutrients, Accessory Food Factors
Vitamins are organic compounds derived from both plant and animal sources, essential for numerous metabolic and physiological functions in pets. Their primary purpose is to support immune health, vision, bone development, and cellular processes. In pet food, vitamins are not used in their natural, raw forms but are instead incorporated as stabilised compounds or premixes to ensure safety, stability, and optimal bioavailability.
Vitamins are included to ensure nutritional adequacy and meet regulatory requirements for complete and balanced pet food. They may also be added to compensate for nutrient losses during processing and storage.

Micronutrients, Oligoelements, Microelements, Essential Trace Minerals
Trace elements are essential minerals required by pets in minute amounts for optimal health, originating from natural sources but not used in their raw or metallic state. Instead, they are incorporated into pet food as specific compounds, such as chelates or sulphates, to ensure safety and effective absorption. Their primary purpose is to support vital physiological functions, including enzyme activity, immune response, and metabolic processes.
Trace elements are included to meet essential micronutrient requirements for canine health, ensuring the product complies with nutritional standards. Their addition supports balanced nutrition without significantly impacting cost or palatability.

Provitamin A, E160a, All-Trans-Beta-Carotene, CI 40800
Beta carotene is a plant-derived pigment and precursor to vitamin A, commonly sourced from carrots and other colourful vegetables. Its primary nutritional benefit is supporting vision, immune function, and antioxidant defence. In pet food, beta carotene is utilised in its extracted or purified form rather than as whole vegetables, ensuring consistent potency and bioavailability for optimal health outcomes.
Beta carotene is included as a natural source of vitamin A and as a colour-enhancing agent to improve the visual appeal of the product. Its presence also allows for label-friendly marketing, appealing to consumers seeking natural additives.
Score Card
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About the Brand
Hills Prescription Diet
Hill's Prescription Diet is a veterinary-therapeutic food line from Hill's Pet Nutrition, originating in 1948. Formulas are designed to nutritionally manage specific clinical conditions such as kidney disease, allergies, and diabetes.
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