NF Kidney Function Wet Dog Food

Overview
Purina Pro Plan Veterinary Diets NF Kidney Function Wet Dog Food is a canned renal diet formulated for adult dogs with chronic kidney disease. The formula provides restricted levels of high-quality protein — limiting nitrogen waste production in dogs with impaired renal filtration — alongside restricted phosphorus and reduced sodium to support the nutritional management of kidney disease.
The wet format provides additional moisture intake, which is beneficial for dogs with renal conditions where hydration and urinary output are clinically relevant. Energy density is maintained to support adequate caloric intake in dogs that may have reduced appetite. This diet is not appropriate for healthy dogs without a diagnosed kidney condition — protein restriction is unnecessary and potentially counterproductive in the absence of renal disease. Speak with your veterinarian before introducing this food.
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
Water, Meat By-Products, Rice, Corn Grits, Beef, Liver, Chicken By-Products, Animal Fat, Calcium Sulfate, Guar Gum, Fish Oil, Potassium Citrate, Locust Bean Gum, Carrageenan, Potassium Chloride, Magnesium Sulfate, Choline Chloride, Natural Smoke Flavour, Vitamin E Supplement, DL-Methionine, Zinc Sulfate, Ferrous Sulfate, Niacin, Thiamine Mononitrate, Calcium Pantothenate, Copper Sulfate, Pyridoxine Hydrochloride, Manganese Sulfate, Vitamin B12 Supplement, Riboflavin Supplement, Vitamin A Supplement, Folic Acid, Vitamin D3 Supplement, Biotin, Potassium Iodide, Sodium Selenite.

Aqua, Purified Water, Distilled Water, Deionised Water
Water is a vital ingredient sourced from natural origins and is essential for all living organisms. In pet food, water serves primarily to hydrate, aid in ingredient processing, and ensure proper texture and palatability. It is used in its natural, purified form, not chemically altered, to optimise moisture content and support the overall health and wellbeing of pets.
Water is included as a processing aid to facilitate mixing and extrusion during manufacturing. It also helps achieve the desired texture and moisture content in the final product.

Animal By-Products, Animal Derivatives, Animal Offal, Animal Spp. By-Products
Meat by-products are animal-derived ingredients obtained from the non-rendered, clean parts of slaughtered animals, excluding meat, such as organs and tissues. They provide essential proteins, vitamins, and minerals, supporting overall pet health. Meat by-products are used in their natural, edible form, ensuring nutrient density and palatability. Their inclusion helps optimise nutrient profiles and reduce food waste in premium pet foods.
Meat by-products are included as a cost-effective protein source, utilising parts of the animal not typically consumed by humans to maximise resource efficiency. They contribute essential nutrients while helping manufacturers maintain competitive pricing.

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.

Maize Grits, Zea Mays Grits, Ground Maize, Maize Semolina
Corn grits are a plant-derived ingredient produced by grinding the endosperm of maize kernels. They serve primarily as a source of digestible carbohydrates, providing energy for pets. In pet food, corn grits are used in their natural, milled form rather than as a whole kernel. Their inclusion supports energy needs and contributes to the texture and palatability of the final product.
Corn grits are included as a cost-effective carbohydrate source to provide energy and bulk to the pet food. They also contribute to product texture and help optimise manufacturing efficiency.

Bovine Meat, Bos Taurus, Ox Meat, Cow Meat
Beef is the muscle meat derived from cattle, categorised as an animal-based ingredient. It serves as a rich source of high-quality protein, essential amino acids, iron, and B vitamins, supporting muscle maintenance and overall health in pets. In premium pet foods, beef is typically included in its natural, whole-food form, ensuring optimal nutrient availability and palatability.
Beef is included as a primary animal protein source to meet nutritional requirements and enhance palatability for pets. Its presence also serves as a marketing advantage, appealing to consumers seeking recognisable, high-quality ingredients.

Hepatic Tissue, Hepar, Hepar Spp., Animal Hepatic Organ
Liver is an animal-derived organ meat commonly sourced from poultry, beef, or lamb. It is included in pet food for its rich supply of essential nutrients, particularly high-quality protein, vitamin A, iron, and B vitamins. Liver is used in its natural, whole food form, providing a highly bioavailable source of nutrients to support overall health and vitality in pets.
Liver is included as a nutrient-dense organ meat to enhance the protein, vitamin, and mineral content of the product. It also serves as a natural palatability enhancer, improving taste and encouraging consumption.

Chicken Offal, Gallus Gallus Domesticus By-Products, Poultry By-Products, Poultry Offal
Chicken by-products are animal-derived ingredients sourced from the non-rendered, clean parts of a chicken, such as organs and tissues, excluding feathers, heads, feet, and intestines. They provide a rich source of protein, essential amino acids, and micronutrients, supporting overall pet health. Chicken by-products are used in their natural form, ensuring optimal nutrient availability and digestibility for pets.
Chicken by-products are included as a cost-effective protein and nutrient source, utilising parts of the chicken not typically consumed by humans. Their use allows manufacturers to optimise nutritional value while maintaining competitive pricing.

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.

Gypsum, E516, Anhydrite, Dihydrate Gypsum
Calcium sulphate is a mineral-derived compound commonly included in pet food formulations. Sourced from naturally occurring gypsum, it is not used in its raw mineral state but is instead utilised as a purified, food-grade compound. Its primary purpose is to provide a bioavailable source of calcium, supporting healthy bone development and maintenance in pets, while also serving as a firming agent in some recipes.
Calcium sulphate is included as a cost-effective source of calcium to support nutritional balance and bone health in pet food formulations. It also functions as a firming agent, helping to optimise texture and product stability.

Cyamopsis Tetragonoloba Gum, E412, Guaran, Guar Flour
Guar gum is a natural polysaccharide derived from the seeds of the guar plant (Cyamopsis tetragonoloba), a legume native to India and Pakistan. It is primarily used as a thickening and stabilising agent in pet food, helping to improve texture and moisture retention. Guar gum is utilised in its processed powder form, not as whole seeds, to ensure optimal functionality and digestibility.
Guar gum is included as a cost-effective thickening and stabilising agent to improve the texture and consistency of pet food products. It also helps maintain product uniformity during storage and extends shelf life.

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.

Tripotassium Citrate, E332, Tripotassium Salt Of Citric Acid, Citric Acid Tripotassium Salt
Potassium citrate is a mineral-derived compound formed by combining potassium with citric acid. Sourced from mineral origins, it is utilised in pet food as a citrate salt rather than in its raw metallic state, ensuring safety and optimal absorption. Its primary function is to support urinary health by helping to regulate urine pH and reduce the risk of urinary stone formation.
Potassium citrate is included as a functional ingredient to help maintain urinary health by reducing the risk of stone formation in pets. It may also serve as a source of potassium, supporting overall electrolyte balance in the formulation.

Carob Gum, E410, Carubin, Ceratonia Siliqua
Locust bean gum is a plant-derived ingredient extracted from the seeds of the carob tree (Ceratonia siliqua). It serves primarily as a natural thickening and stabilising agent in pet food, helping to improve texture and consistency. Locust bean gum is utilised in its processed gum form, not as whole seeds, to ensure optimal solubility and functional performance in formulations.
Locust bean gum is included as a natural thickening and stabilising agent to improve the texture and consistency of pet food products. Its use helps maintain product uniformity and shelf stability without relying on synthetic additives.

E407, Irish Moss Extract, Chondrus Crispus Extract, Red Seaweed Extract
Carrageenan is a polysaccharide derived from red seaweed (plant origin) and is commonly used in pet food as a gelling, thickening, and stabilising agent. Its primary function is to improve texture and moisture retention in wet foods. Carrageenan is not used in its raw seaweed form; instead, it is processed and refined to ensure safety, consistency, and optimal functionality in pet food formulations.
Carrageenan is included as a cost-effective thickening and gelling agent to improve the texture and stability of wet pet food products. Its use helps maintain product consistency and extends shelf life without significantly increasing production costs.

E508, Muriate of Potash, Potassium Monochloride, KCl
Potassium chloride is a mineral compound derived from the element potassium, typically sourced from naturally occurring mineral deposits. It is utilised in pet food as a purified salt rather than in its raw metallic form, ensuring safety and optimal absorption. Its primary purpose is to provide essential potassium, which supports nerve function, muscle contraction, and fluid balance in companion animals.
Potassium chloride is included as a cost-effective mineral supplement to help meet pets’ dietary potassium requirements. It also functions as a salt substitute to optimise electrolyte balance in the formulation.

Epsom Salt, Magnesium Sulfate Heptahydrate, E518, Bitter Salt
Magnesium sulphate is an inorganic compound derived from the mineral epsomite, providing a source of magnesium, an essential mineral for nerve, muscle, and metabolic functions in pets. It is primarily included to support electrolyte balance and overall physiological health. Magnesium sulphate is not used in its natural mineral form but is instead utilised as a purified compound to ensure safety and optimal absorption.
Magnesium sulphate is included as a source of the essential mineral magnesium, supporting nutritional adequacy in pet food formulations. It may also serve as a processing aid to optimise ingredient blending and product consistency.

Trimethylethanolamine Chloride, Choline Monochloride, E1001, 2-Hydroxy-N,N,N-Trimethylethanaminium Chloride
Choline chloride is a synthetic compound derived from choline, an essential nutrient typically sourced from plant or animal origins. It is primarily included in pet food to support healthy brain function, liver metabolism, and cellular structure. Choline is not used in its natural state; instead, it is utilised as choline chloride to ensure stability, safety, and optimal absorption in pet diets.
Choline chloride is included as an essential nutrient to support normal liver function and brain health in pets. It is a cost-effective way to meet regulatory requirements for choline content in complete and balanced pet foods.

Smoke Flavour, Liquid Smoke, Smoke Condensate, Smoke Extract
Natural smoke flavour is a functional ingredient derived from the condensation of wood smoke, typically from hardwoods, and is classified as a plant-based additive. Its primary purpose is to enhance palatability by imparting a smoky aroma and taste to pet food. Natural smoke flavour is not used in its raw smoke form but is instead utilised as a liquid or powder extract for safety and consistency.
Natural smoke flavour is included to enhance palatability by imparting a desirable aroma and taste that appeals to pets. It also serves as a label-friendly ingredient, allowing manufacturers to market the product as having a more natural and appetising profile.

Tocopherol, Alpha-Tocopherol, E307, D-Alpha-Tocopherol
Vitamin E is a fat-soluble vitamin derived from plant sources such as vegetable oils, nuts, and seeds. It functions primarily as an antioxidant, helping to protect cell membranes from oxidative damage and supporting immune health. In pet food, Vitamin E is not used in its natural raw form but is typically utilised as a stabilised compound, such as tocopherol acetate, to optimise safety and absorption.
Vitamin E is included as a natural antioxidant to help preserve the freshness and stability of fats and oils in the product, thereby extending shelf life. It also serves as a label-friendly nutrient that appeals to consumers seeking added health benefits for their pets.

L-Methionine, 2-Amino-4-(Methylthio)butyric Acid, E620, L-2-Amino-4-(Methylthio)butyric Acid
Methionine is an essential amino acid derived from animal or plant sources, crucial for protein synthesis and overall metabolic health in pets. It primarily supports healthy skin, coat, and liver function. Methionine is not used in its raw elemental form; instead, it is incorporated as a specific compound, such as DL-methionine, to optimise safety, stability, and bioavailability in pet food formulations.
Methionine is included as an essential amino acid to support protein synthesis and overall health in pets, particularly when animal protein sources are limited or variable. It also serves as a cost-effective way to meet nutritional requirements and optimise the amino acid profile of the final product.

Zinc Sulphate Monohydrate, Zinc Sulphate Heptahydrate, E6, ZnSO₄
Zinc sulphate is a mineral compound derived from the element zinc, typically sourced from mined zinc ores. It is utilised in pet food as a supplemental source of zinc, an essential trace mineral that supports immune function, skin health, and enzyme activity. Zinc is not used in its natural metallic state; instead, it is provided as zinc sulphate to optimise safety and bioavailability for pets.
Zinc sulphate is included as a cost-effective and bioavailable source of the essential mineral zinc, which supports immune function and skin health in pets. Its addition ensures the product meets nutritional requirements for complete and balanced pet food labelling.

Iron(II) Sulphate, Ferrous Iron Sulphate, E172, Green Vitriol
Ferrous sulphate is an inorganic compound derived from iron, an essential mineral for animal health. It is primarily included in pet food to support normal red blood cell formation and prevent iron deficiency anaemia. Ferrous sulphate is not used in its natural metallic state; instead, it is utilised as a salt to optimise safety, stability, and absorption within the animal’s body.
Ferrous sulphate is included as a cost-effective source of dietary iron to meet nutritional requirements in pet food formulations. It helps ensure the product delivers essential minerals for pet health while maintaining compliance with labelling standards.

Nicotinic Acid, Vitamin B3, Pyridine-3-Carboxylic Acid, E375
Niacin, also known as vitamin B3, is a water-soluble vitamin of synthetic or natural origin, commonly derived from plant or animal sources. It plays a crucial role in energy metabolism and supports healthy skin, nerves, and digestion in pets. Niacin is not used in its raw form but is typically included as a safe, bioavailable compound such as niacinamide or nicotinic acid.
Niacin is included as an essential B vitamin to meet nutritional requirements and support metabolic health in pets. Its addition ensures compliance with regulatory standards for complete and balanced pet food labelling.

Vitamin B1 Mononitrate, Nitrate Salt of Thiamine, E101a, Thiamin Mononitrate
Thiamine mononitrate is a synthetic, water-soluble form of vitamin B1, derived from chemical synthesis rather than natural sources. It is added to pet food to support energy metabolism and proper nervous system function. Thiamine is not used in its natural state; instead, the mononitrate compound is utilised for stability, safety, and optimal absorption in formulated diets.
Thiamine mononitrate is included as a stable, cost-effective source of vitamin B1 to meet nutritional requirements and ensure product labelling compliance. Its synthetic form maintains potency during processing and storage, supporting both product stability and regulatory standards.

D-Calcium Pantothenate, E315, Pantothenic Acid Calcium Salt, Calcium D-Pantothenate
Calcium pantothenate is a synthetic compound derived from pantothenic acid, a water-soluble B vitamin (vitamin B5) of plant or animal origin. It is primarily included in pet food to support energy metabolism and maintain healthy skin and coat. Rather than using pantothenic acid in its natural form, calcium pantothenate is utilised for its stability, safety, and enhanced bioavailability in pet nutrition.
Calcium pantothenate is included as a stable, bioavailable source of vitamin B5 to meet nutritional requirements and support labelling claims of complete and balanced nutrition. Its use ensures consistent vitamin content throughout the product’s shelf life.

Cupric Sulphate, Blue Vitriol, Roman Vitriol, E519
Copper sulphate is an inorganic compound derived from copper, an essential trace mineral. It is primarily included in pet food to support vital physiological functions such as enzyme activity, immune health, and connective tissue formation. Copper sulphate is not used in its natural metallic state; instead, it is utilised as a salt to optimise safety, stability, and bioavailability for animal nutrition.
Copper sulphate is included as a cost-effective and reliable source of essential copper, a trace mineral necessary for canine health. Its use ensures precise nutrient formulation and supports compliance with nutritional labelling standards.

Vitamin B6, E300, Pyridoxine HCl, Pyridoxine Monohydrochloride
Pyridoxine hydrochloride is a synthetic, water-soluble form of vitamin B6, derived from chemical synthesis rather than natural sources. It is added to pet foods to support protein metabolism, nervous system health, and immune function. Unlike naturally occurring vitamin B6 in foods, pyridoxine is utilised in its hydrochloride salt form to ensure stability, safety, and optimal absorption in companion animals.
Pyridoxine hydrochloride is included as a cost-effective, stable source of vitamin B6 to ensure nutritional adequacy and meet regulatory labelling requirements. Its addition helps manufacturers guarantee consistent vitamin content throughout the product’s shelf life.

Manganese(II) Sulphate, Manganous Sulphate, Epsomite (Manganese), Sulphuric Acid Manganese(2+) Salt
Manganese sulphate is an inorganic compound derived from the mineral manganese, typically sourced from mined ores. It is included in pet food as an essential trace mineral to support bone development, enzyme function, and metabolic processes. Rather than using raw metallic manganese, the sulphate form is utilised to ensure safety, stability, and optimal absorption in companion animals’ diets.
Manganese sulphate is included as a cost-effective source of the essential trace mineral manganese, which supports metabolic and skeletal health in pets. Its addition ensures nutritional adequacy and compliance with regulatory labelling requirements for complete and balanced pet foods.

Cobalamin, Cyanocobalamin, Hydroxocobalamin, Methylcobalamin
Vitamin B12 is a water-soluble vitamin of animal origin, essential for nerve function and red blood cell formation in pets. It is primarily included in pet food to support energy metabolism and overall vitality. Vitamin B12 is not used in its natural, raw form but is instead utilised as a specific compound, such as cyanocobalamin, to ensure stability, safety, and optimal absorption.
Vitamin B12 is included as an essential nutrient to support metabolic and neurological functions in pets, ensuring the product meets established nutritional standards. Its addition helps manufacturers achieve complete and balanced labelling claims.

Vitamin B2, E101, Lactoflavin, 7,8-Dimethyl-10-Ribityl Isoalloxazine
Riboflavin, also known as vitamin B2, is a water-soluble vitamin of synthetic origin commonly added to pet foods. It plays a crucial role in energy metabolism and supports healthy skin, eyes, and nervous system function. Riboflavin is not used in its natural form but is typically utilised as a synthesised compound to ensure stability, safety, and optimal absorption in pet diets.
Riboflavin is included as an essential vitamin to meet nutritional requirements and ensure regulatory compliance for complete and balanced pet food labelling. Its addition helps optimise the product’s nutrient profile without significantly impacting cost or palatability.

Retinol, Retinyl Palmitate, Retinyl Acetate, E160a
Vitamin A is an essential fat-soluble nutrient derived from animal sources (as retinyl esters) or plant sources (as carotenoids). It supports vision, immune function, and skin health in pets. In pet food, Vitamin A is not used in its raw or natural state but is provided as stabilised compounds (such as retinyl acetate or retinyl palmitate) to ensure safety, stability, and optimal absorption.
Vitamin A is included as an essential nutrient to support vision, immune function, and overall health in pets, ensuring the product meets established nutritional standards. Its addition also allows manufacturers to optimise the nutritional profile and comply with regulatory labelling requirements.

Pteroylmonoglutamic Acid, Pteroylglutamic Acid, Vitamin B9, E920
Folic acid is a synthetic form of vitamin B9, originally derived from plant sources but produced for pet food as a stable, bioavailable compound. Its primary purpose is to support cell division, DNA synthesis, and overall growth in pets. Folic acid is not used in its natural state; instead, it is utilised as a manufactured supplement to optimise absorption and efficacy.
Folic acid is included as a synthetic vitamin to ensure nutritional adequacy and meet regulatory requirements for B-vitamin content in pet food. Its addition helps standardise nutrient levels across batches, supporting consistent product labelling and animal health.

Cholecalciferol, Colecalciferol, Calciol, E671
Vitamin D3, also known as cholecalciferol, is a fat-soluble vitamin of animal origin commonly derived from lanolin or fish oil. It plays a crucial role in regulating calcium and phosphorus metabolism, supporting healthy bone development in pets. Vitamin D3 is not used in its natural form but is instead utilised as a stabilised compound to ensure safety, efficacy, and optimal absorption in pet food formulations.
Vitamin D3 is included to ensure the finished product meets established nutritional requirements for canine health, supporting bone development and calcium regulation. Its addition allows manufacturers to guarantee consistent vitamin content regardless of natural variation in raw materials.

Vitamin B7, Vitamin H, D-Biotin, Coenzyme R
Biotin is a water-soluble B-vitamin (vitamin B7) of synthetic origin, commonly included in pet foods to support healthy skin, coat, and metabolic function. Its primary benefit is aiding in the metabolism of fats, proteins, and carbohydrates. Biotin is not used in its natural, free form but is instead utilised as a stable, bioavailable compound to optimise absorption and efficacy in pets.
Biotin is included as an essential vitamin to support skin, coat, and metabolic health in pets, fulfilling nutritional requirements for complete and balanced diets. Its addition also allows manufacturers to highlight the inclusion of key micronutrients on product labelling, appealing to health-conscious consumers.

KI, E917, Kalium Iodidum, Kalium Iodide
Potassium iodide is a mineral compound derived from the combination of potassium and iodine, both essential nutrients. Sourced from mineral origins, it is not used in its raw elemental form but is instead utilised as a stable salt to ensure safety and optimal absorption. Its primary purpose is to provide a bioavailable source of iodine, supporting healthy thyroid function in pets.
Potassium iodide is included as a cost-effective source of dietary iodine, an essential trace mineral required for proper thyroid function in pets. Its precise addition allows manufacturers to meet nutritional labelling requirements and ensure product consistency.

Disodium Selenite, E901, Selenious Acid Disodium Salt, Disodium Selenious Acid
Sodium selenite is an inorganic compound derived from selenium, an essential trace mineral. It is included in pet food formulations to provide a bioavailable source of selenium, which supports antioxidant defence and immune function. Sodium selenite is not used in its natural elemental form; instead, it is utilised as a salt compound to ensure safety, stability, and optimal absorption in pets.
Sodium selenite is included as a cost-effective and stable source of the essential trace mineral selenium, which supports normal metabolic and immune functions in pets. Its use allows manufacturers to meet nutritional requirements efficiently and with consistent quality.
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As a pet owner, you naturally want the best for your dog. From regular vet visits to nutritious meals, ensuring your furry friend is healthy and happy is always top of mind. But beyond food and exercise, supplements are becoming an increasingly popular way to support your dog’s overall well-being. In this comprehensive guide, we’ll dive into the world of dog supplements, explaining what they are, why they matter, and how to choose the right ones for your pup.
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Pro Plan Veterinary Diet
Purina Pro Plan Veterinary Diet offers scientifically formulated therapeutic meals and supplements to help manage complex health conditions in dogs. Discover their targeted range of vet recommended nutrition designed to support your pet's specific medical requirements and long term wellness.
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