k/d Original Wet Dog Food

Overview
Hill's Prescription Diet k/d Original Wet Dog Food is a clinically proven wet diet formulated to support kidney function and slow the progression of chronic kidney disease in dogs. Kidney disease is a leading cause of illness in older dogs, and managing it through targeted nutrition is one of the most effective tools available alongside veterinary treatment. This formula reduces the demands placed on damaged kidneys by providing controlled levels of phosphorus and carefully balanced protein, helping to preserve remaining kidney function for as long as possible.
Formulated by Hill's nutritionists and veterinarians, it is designed to support appetite and quality of life in dogs with renal disease, where palatability can often be a concern. The wet format also provides increased hydration, which is particularly important for dogs with kidney conditions. Always consult your veterinarian before starting a kidney support 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
Pork Liver, Maize Starch, Animal Fat, Various Sugars, Dried Beet Pulp, Digest, Minerals, Fish Oil, Vitamins, Cellulose, Oat Bran, Fructo-Oligosaccharides, Trace Elements, Beta-Carotene.

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.

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.

Rendered Fat, Tallow, Lard, E471
Animal fat is a lipid ingredient derived from the tissue of animals, commonly sourced from poultry, beef, or lamb. It serves as a concentrated source of energy and enhances palatability in pet foods. Animal fat is used in its rendered form, not as raw tissue, to ensure safety, stability, and optimal absorption of essential fatty acids for pets’ health and wellbeing.
Animal fat is included as a cost-effective energy source and to enhance palatability, making the product more appealing to pets. It also contributes to the texture and mouthfeel of the final product.

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.

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.

Enzyme Hydrolysate, Protein Hydrolysate, Pancreatin, Peptone
Digest is a palatable ingredient derived from animal tissues, typically through enzymatic or chemical hydrolysis, resulting in a concentrated flavour enhancer. Its primary purpose is to improve the taste and acceptance of pet foods, encouraging consistent consumption. Digest is not used in its raw animal form but is processed into a safe, digestible compound to optimise both flavour and nutritional value for pets.
Digest is included as a palatability enhancer, providing flavour and aroma that increase the appeal of the food to pets. It is a cost-effective way to improve acceptance and consumption rates without significantly impacting the nutritional profile.

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.

Fish Liver Oil, Oleum Piscis, Oleum Jecoris, Oleum Piscarium
Fish oil is a nutrient-rich oil derived from the tissues of oily fish, making it an animal-based ingredient. It is primarily included in pet food for its high content of omega-3 fatty acids, which support skin, coat, and joint health. Fish oil is utilised in a purified, liquid form rather than as whole fish, ensuring optimal absorption and safety for pets.
Fish oil is included as a source of omega-3 fatty acids to support skin, coat, and joint health, enhancing the nutritional profile of the product. Its presence also serves as a marketing point, appealing to consumers seeking functional health benefits for their pets.

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.

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.

Oat Fibre, Avena Sativa Bran, Avena Sativa Fibre, Avena Sativa Hulls
Oat bran is the outer layer of the oat grain, derived from the plant Avena sativa. It is included in pet food primarily as a source of dietary fibre, which supports digestive health and helps regulate bowel function. Oat bran is used in its natural form, retaining its nutritional integrity and providing beneficial beta-glucans and other nutrients to optimise gastrointestinal wellbeing.
Oat bran is included as a cost-effective source of dietary fibre and carbohydrates, supporting digestive health and providing bulk to the product. Its presence can also enhance the nutritional profile for marketing purposes, appealing to consumers seeking whole grain ingredients.

Oligofructose, FOS, Oligofructan, E968
Fructooligosaccharides are short-chain carbohydrates derived from plant sources such as chicory root. They serve primarily as prebiotics, supporting digestive health by promoting the growth of beneficial gut bacteria. Fructooligosaccharides are not used in their whole plant form but are extracted and purified for inclusion in pet food, ensuring optimal efficacy and digestibility for companion animals.
Fructooligosaccharides are included as a prebiotic fibre to support digestive health by promoting beneficial gut bacteria. They also serve as a label-friendly functional ingredient that can enhance the perceived nutritional value of the product.

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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