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Hill's Prescription Diet
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Brain Care + j/d Dry Dog Food

Brain Care + j/d Dry Dog Food

Hill's Prescription Diet
Hill's Prescription Diet Brain Care + j/d Dry Dog Food is a veterinary-formulated nutrition designed to support cognitive function and joint mobility in adult and senior dogs. As dogs age, they can begin to show signs of cognitive decline — including disrupted sleep, disorientation, reduced alertness, and changes in social behaviour. This formula addresses those changes through clinical nutrition that targets brain health, helping to improve memory, learning ability, and day-to-day behaviour. Beyond cognitive support, it also helps maintain healthy joint cartilage, making it a dual-purpose diet suited to older dogs managing both mental and physical decline. Developed by Hill's nutritionists and veterinarians, it is the #1 vet-recommended therapeutic pet food brand in the US. Always consult your veterinarian to determine whether this diet is right for your dog.
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Size 1
3.8kg
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Overview

Hill's Prescription Diet Brain Care + j/d Dry Dog Food is a veterinary-formulated nutrition designed to support cognitive function and joint mobility in adult and senior dogs. As dogs age, they can begin to show signs of cognitive decline — including disrupted sleep, disorientation, reduced alertness, and changes in social behaviour. This formula addresses those changes through clinical nutrition that targets brain health, helping to improve memory, learning ability, and day-to-day behaviour.

Beyond cognitive support, it also helps maintain healthy joint cartilage, making it a dual-purpose diet suited to older dogs managing both mental and physical decline. Developed by Hill's nutritionists and veterinarians, it is the #1 vet-recommended therapeutic pet food brand in the US. Always consult your veterinarian to determine whether this diet is right for your dog.

Nutritional Analysis

Protein
21.2
%
0%
Fat
15.2
%
0%
Fibre
2.9
%
0%
Ash
2.66
%
0%
Carbohydrates
55.5
%
0%
Energy
364.8
0
 kcal/100g

Ingredients

Brewers Rice, Whole Grain Wheat, Whole Grain Corn, Flaxseed, Chicken, Chicken Meal, Chicken Fat, Soybean Meal, Hydrolyzed Chicken Flavor, Corn Protein Meal, Fish Oil, Pork Liver Flavor, Carrots, Dried Tomato Pomace, Dried Citrus Pulp, Lactic Acid, Spinach, Calcium Carbonate, Iodized Salt, Lipoic Acid, Potassium Chloride, Choline Chloride, Vitamins (Vitamin E, Vitamin C, Niacin, Vitamin B1, Vitamin B5, Vitamin A, Vitamin B2, Vitamin B6, Biotin, Vitamin B12, Folic Acid, Vitamin D3), L-Lysine, DL-Methionine, Taurine, Natural Flavors, Minerals (Iron, Zinc, Copper, Manganese, Iodine, Selenium), Dicalcium Phosphate, Glucosamine Hydrochloride, Mixed Tocopherols, Chondroitin Sulfate, L-Carnitine, Beta-Carotene.

Ingredient images are illustrative only and may not represent the exact source or form used by manufacturers.
Small, white brewers rice grains with a slightly glossy texture displayed on a plain background
Brewers Rice
Brewers Rice
Broken Rice, Rice Fragments, Rice Grits, Oryza Sativa
Summary
Brewers rice is a by-product of rice milling, consisting of small, broken rice grains derived from the Oryza sativa plant. It serves as a digestible carbohydrate source, providing energy for pets. Brewers rice is included in its natural, whole-food form, not as a processed extract or compound, ensuring a consistent and safe ingredient for pet food formulations.
Why it's used?
Brewers rice is included as a cost-effective carbohydrate source that provides bulk and energy to pet food formulations. Its use helps optimise production costs while maintaining product texture and consistency.
Wholegrain wheat grains in a natural cluster, golden-brown, smooth and oval-shaped, ideal for dog nutrition
Wholegrain Wheat
Wholegrain Wheat
Whole Wheat, Wholemeal Wheat, Triticum Aestivum, Wheat Wholemeal
Summary
Wholegrain wheat is a cereal grain derived from the entire wheat kernel, including the bran, germ, and endosperm. Sourced from plants, it serves as a rich source of dietary fibre, complex carbohydrates, and essential nutrients, supporting digestive health and sustained energy release. In pet food, wholegrain wheat is used in its natural, unrefined form to maximise nutritional value and maintain ingredient integrity.
Why it's used?
Wholegrain wheat is included as a cost-effective carbohydrate source that provides bulk and energy to pet food formulations. Its use also appeals to consumers seeking recognisable, "whole" ingredients on product labelling.
Wholegrain corn kernels arranged in a circle, glossy yellow with a smooth, firm texture, ideal for dog food ingredients
Wholegrain Corn
Wholegrain Corn
Maize, Zea Mays, Whole Maize, Whole Kernel Maize
Summary
Wholegrain corn is a cereal grain derived from the whole seed of the maize plant, including the bran, germ, and endosperm. As a plant-based ingredient, it provides a source of carbohydrates, dietary fibre, and essential nutrients for energy and digestive health. Wholegrain corn is used in its natural, unrefined form to retain its full nutritional profile in pet food formulations.
Why it's used?
Wholegrain corn is included as a cost-effective carbohydrate source that provides energy and bulk to pet food formulations. It also contributes to product texture and can support label claims appealing to consumers seeking wholegrain ingredients.
Brown linseed seeds with a glossy, smooth surface and oval shape, piled together on a white background
Linseed
Linseed
Flaxseed, Linum Usitatissimum, Flax, Flaxseed Oil
Summary
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.
Why it's used?
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.
Fresh minced chicken formed into a round, pale pink ball with a moist, textured surface on a plain background
Chicken
Chicken
Gallus Gallus Domesticus, Poultry Meat, Domestic Fowl, Broiler Meat
Summary
Chicken is a high-quality animal protein sourced from poultry, commonly used in pet foods for its rich amino acid profile and palatability. It provides essential nutrients to support muscle maintenance and overall health. In premium pet foods, chicken is typically included in its natural, whole form, ensuring optimal nutrient availability and digestibility for pets.
Why it's used?
Chicken is included as a primary animal protein source to meet nutritional requirements and enhance palatability for pets. Its recognisable presence on the label also appeals to consumers seeking high-quality, meat-based ingredients.
Finely ground, light brown chicken meal powder with a dry, crumbly texture, commonly used in Australian dog food recipes
Chicken Meal
Chicken Meal
Rendered Chicken, Chicken Protein Meal, Dehydrated Gallus Gallus Domesticus, Rendered Gallus Gallus Domesticus
Summary
Chicken meal is a concentrated protein ingredient derived from rendered, clean chicken flesh and skin, excluding feathers, heads, feet, and entrails. Sourced from animal origin, it serves as a highly digestible protein source, supporting muscle maintenance and overall health in pets. Chicken meal is not used in its natural whole form but is processed and dried to optimise nutrient density and shelf stability.
Why it's used?
Chicken meal is included as a concentrated protein source that provides essential amino acids for pet health while allowing manufacturers to optimise protein content cost-effectively. Its low moisture content also contributes to improved product stability and shelf life.
Creamy yellow chicken fat in a smooth, glossy dollop on a plain background, highlighting its rich texture and colour
Chicken Fat
Chicken Fat
Poultry Fat, Gallus Gallus Domesticus Fat, Rendered Chicken Fat, Chicken Oil
Summary
Chicken fat is an animal-derived ingredient obtained from rendering chicken tissue. It serves primarily as a concentrated source of energy and essential fatty acids, supporting skin and coat health in pets. Chicken fat is used in its natural rendered form, not as a raw or unprocessed fat, ensuring palatability and digestibility while providing a stable, high-quality lipid source in pet food formulations.
Why it's used?
Chicken fat is included as a highly digestible source of animal fat, providing essential fatty acids and enhancing the palatability of the product. It also contributes to the energy content of the food in a cost-effective manner.
Light brown, finely ground soybean meal with a coarse, crumbly texture, commonly used in Australian dog food recipes
Soybean Meal
Soybean Meal
Defatted Soybean Meal, Soyabean Meal, Glycine Max Meal, Soybean Cake
Summary
Soybean meal is a high-protein ingredient derived from the residue of soybeans (a legume plant) after oil extraction. It serves primarily as a concentrated protein source to support muscle development and overall health in pets. Rather than being used in its whole form, soybean meal is processed to enhance digestibility and nutrient availability, making it a practical and efficient dietary component.
Why it's used?
Soybean meal is included as a cost-effective protein source to help meet nutritional requirements while managing production expenses. It also serves as a functional ingredient to improve kibble texture and binding.
Light brown, fine powder texture of hydrolysed chicken flavour, a common dog food ingredient in Australia
Hydrolysed Chicken Flavour
Hydrolysed Chicken Flavour
Hydrolysed Chicken Extract, Hydrolysed Chicken Protein, Hydrolysed Gallus Gallus Domesticus Flavour, Hydrolysed Poultry Flavour
Summary
Hydrolysed chicken flavour is a functional ingredient derived from animal sources, specifically chicken proteins that have been broken down into smaller peptides through hydrolysis. Its primary purpose is to enhance palatability, making pet food more appealing. This ingredient is not used in its natural whole form; instead, it is utilised as a hydrolysed compound to optimise digestibility and reduce allergenic potential.
Why it's used?
Hydrolysed chicken flavour is included as a palatability enhancer to improve the taste and aroma of the product, encouraging dogs to consume the food. It also allows manufacturers to label the product as containing chicken-derived ingredients without significantly increasing production costs.
Fine yellow corn protein meal powder with a slightly coarse texture, commonly used in dog food nutrition
Corn Protein Meal
Corn Protein Meal
Maize Protein Meal, Zea Mays Protein Meal, Maize Gluten Meal, Zea Mays Gluten Meal
Summary
Corn protein meal is a plant-derived ingredient produced from the extraction of protein-rich fractions from maize (corn) kernels. It serves primarily as a concentrated source of protein, supporting muscle maintenance and overall health in pets. Rather than using whole corn, the meal is processed to isolate and concentrate the protein, optimising digestibility and nutrient availability in pet food formulations.
Why it's used?
Corn protein meal is included as a cost-effective protein source to help meet the product’s protein requirements while managing overall formulation costs. It also contributes to product texture and can support label claims for protein content.
Golden yellow fish oil droplet with a glossy, smooth texture on a white background, highlighting its purity and quality
Fish Oil
Fish Oil
Fish Liver Oil, Oleum Piscis, Oleum Jecoris, Oleum Piscarium
Summary
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.
Why it's used?
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.
Fine, reddish-brown pork liver flavour powder with a smooth, dry texture, commonly used in dog food and treats
Pork Liver Flavour
Pork Liver Flavour
Porcine Liver Flavour, Sus Scrofa Domesticus Liver Flavour, Porcine Hepatic Flavour, Pig Liver Flavour
Summary
Pork liver flavour is a palatant derived from animal sources, specifically pork liver, and is commonly used in pet foods to enhance taste and aroma, encouraging palatability. Its primary function is to improve the acceptance of the food rather than provide significant nutritional value. This ingredient is not used in its whole food form but is processed and utilised as a flavouring extract or concentrate.
Why it's used?
Pork liver flavour is included as a palatability enhancer to increase the appeal of the product to pets. It provides a desirable taste and aroma without significantly impacting the nutritional profile or cost of the formulation.
Fresh whole carrot with bright orange skin and smooth, firm texture standing upright on a plain background
Carrot
Carrot
Daucus Carota, Daucus Carota Root, Daucus Carota Sativa, Wild Carrot
Summary
Carrot is a root vegetable of plant origin, widely recognised for its vibrant orange colour and natural sweetness. In pet food, carrot is included in its natural, whole form to provide dietary fibre, beta-carotene (a precursor to vitamin A), and antioxidants. Its primary benefit is supporting digestive health and immune function, while also contributing to overall palatability and nutritional diversity.
Why it's used?
Carrot is included as a label-friendly ingredient to appeal to consumers seeking recognisable, natural components and to enhance the product’s perceived nutritional value. It may also provide a modest source of fibre and vitamins, supporting marketing claims of added health benefits.
Coarse, reddish-brown dried tomato pomace with a crumbly texture, commonly used as a natural dog food ingredient
Dried Tomato Pomace
Dried Tomato Pomace
Tomato Pomace, Solanum Lycopersicum Pomace, Tomato Fibre, Tomato Pulp Residue
Summary
Dried tomato pomace is a plant-derived ingredient composed of the skins, pulp, and seeds remaining after tomato processing. It is primarily included in pet food for its dietary fibre content, which supports digestive health, and as a source of antioxidants. Dried tomato pomace is used in its natural, dried form, ensuring the retention of beneficial nutrients and fibre for optimal pet nutrition.
Why it's used?
Dried tomato pomace is included as a cost-effective fibre source and bulk-adding agent, helping to improve stool quality and digestive health. It also allows manufacturers to utilise a by-product of tomato processing, supporting sustainability and cost optimisation.
Light brown dried citrus pulp in a loose, crumbly pile with a coarse texture, ideal as a dog food ingredient
Dried Citrus Pulp
Dried Citrus Pulp
Citrus Pulp, Citrus Pulp Meal, Citrus Residue, Citrus Spp. Pulp
Summary
Dried citrus pulp is a plant-derived ingredient produced from the residual pulp of citrus fruits after juice extraction. It serves primarily as a source of dietary fibre and fermentable carbohydrates, supporting digestive health and beneficial gut bacteria in pets. Dried citrus pulp is utilised in its processed, dried form rather than as fresh fruit, ensuring stability, palatability, and consistent nutrient content in pet food formulations.
Why it's used?
Dried citrus pulp is included as a cost-effective source of dietary fibre and energy, supporting digestive health and stool quality. It also serves as a bulk-adding agent, helping to optimise production costs while maintaining product texture.
Fine white lactic acid powder with a slightly grainy texture, displayed in a circular mound on a plain background
Lactic Acid
Lactic Acid
2-Hydroxypropanoic Acid, E270, DL-Lactic Acid, L(+)-Lactic Acid
Summary
Lactic acid is an organic compound of microbial origin, commonly produced through the fermentation of carbohydrates. It is primarily included in pet food as a preservative and acidifier, helping to inhibit the growth of harmful bacteria and maintain product freshness. Lactic acid is not used in its natural, raw state but is instead utilised in a purified, food-grade form to ensure safety and effective absorption.
Why it's used?
Lactic acid is included as a preservative to inhibit microbial growth and extend the product’s shelf life. It may also be used to enhance palatability by providing a mildly tangy flavour that appeals to pets.
Fresh green spinach leaves with a smooth texture, piled together, perfect for healthy dog-friendly recipes
Spinach
Spinach
Spinacia Oleracea, English Spinach, Common Spinach, Garden Spinach
Summary
Spinach is a leafy green vegetable of plant origin, valued for its rich content of vitamins, minerals, and antioxidants. In pet food, spinach primarily provides dietary fibre, iron, and phytonutrients that support overall health and immune function. Spinach is included in its natural form, ensuring pets benefit from its full nutritional profile without synthetic alteration or processing into extracts.
Why it's used?
Spinach is included as a label-friendly ingredient to appeal to health-conscious consumers and enhance the perceived nutritional value of the product. It may also provide a modest source of vitamins and minerals, supporting marketing claims of added health benefits.
Fine off-white calcium carbonate powder with a soft, smooth texture, commonly used in dog supplements
Calcium Carbonate
Calcium Carbonate
Chalk, Limestone, E170, Marble Dust
Summary
Calcium carbonate is a naturally occurring mineral compound derived from sources such as limestone or marine shells. It is primarily included in pet food as a source of calcium, essential for healthy bones, teeth, and metabolic functions. Calcium carbonate is not used in its raw mineral state; instead, it is processed into a purified, food-grade compound to optimise safety and bioavailability for pets.
Why it's used?
Calcium carbonate is included as a cost-effective mineral supplement to provide a bioavailable source of calcium, supporting bone health and proper nutritional balance. It also functions as a pH stabiliser, contributing to product consistency and shelf stability.
Fine white iodised salt granules in a smooth, powdery pile on a plain background
Iodised Salt
Iodised Salt
Iodized Salt, Iodate Salt, Iodised Sodium Chloride, Iodised Table Salt
Summary
Iodised salt is a mineral-based ingredient produced by adding iodine, an essential trace element, to refined table salt. Sourced from mineral deposits, its primary purpose is to provide dietary sodium and ensure adequate iodine intake, supporting thyroid function and metabolic health. Iodised salt is not used in its natural raw form; instead, it is utilised as a fortified compound to optimise safety and bioavailability.
Why it's used?
Iodised salt is included as a cost-effective source of essential sodium and iodine, supporting pet health and meeting nutritional requirements. It also acts as a flavour enhancer to improve palatability.
Fine pale yellow powder of alpha lipoic acid with a soft, slightly grainy texture on a plain background
Alpha Lipoic Acid
Alpha Lipoic Acid
Thioctic Acid, DL-Thioctic Acid, 1,2-Dithiolane-3-Pentanoic Acid, E320
Summary
Alpha lipoic acid is a naturally occurring compound derived from both plant and animal sources, often synthesised for use in pet foods. It functions primarily as a potent antioxidant, supporting cellular health and metabolic processes. Rather than its raw form, alpha lipoic acid is utilised as a purified, bioavailable compound to optimise safety and absorption in companion animal diets.
Why it's used?
Alpha lipoic acid is included as an antioxidant to help stabilise fats and extend the shelf life of the product. It may also be used for its perceived health benefits, supporting marketing claims related to cellular health and vitality.
Fine off-white powder form of potassium chloride, a common dietary supplement for dogs
Potassium Chloride
Potassium Chloride
E508, Muriate of Potash, Potassium Monochloride, KCl
Summary
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.
Why it's used?
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.
Fine, off-white choline chloride powder with a slightly grainy texture, commonly used in dog supplements
Choline Chloride
Choline Chloride
Trimethylethanolamine Chloride, Choline Monochloride, E1001, 2-Hydroxy-N,N,N-Trimethylethanaminium Chloride
Summary
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.
Why it's used?
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.
Fine, pale yellow Vitamin E powder with a soft, slightly grainy texture, commonly used in dog supplements
Vitamin E
Vitamin E
Tocopherol, Alpha-Tocopherol, E307, D-Alpha-Tocopherol
Summary
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.
Why it's used?
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.
Fine white powder of vitamin C with a slightly grainy texture, commonly used as a dog supplement in Australia
Vitamin C
Vitamin C
Ascorbic Acid, L-Ascorbic Acid, E300, L-Threo-Hex-2-Enono-1,4-Lactone
Summary
Vitamin C, also known as ascorbic acid, is a water-soluble vitamin of plant origin commonly included in pet food formulations. Its primary purpose is to support immune function and act as an antioxidant, helping to protect cells from oxidative damage. Vitamin C is not used in its natural fruit form but is instead utilised as a synthesised compound to ensure stability and consistent dosage.
Why it's used?
Vitamin C is included as an antioxidant to help preserve the freshness and stability of the product by slowing oxidation. It may also be added for its perceived health benefits, supporting marketing claims related to immune support.
Fine white niacin powder with a slightly grainy texture, arranged in a circular mound on a plain background
Niacin
Niacin
Nicotinic Acid, Vitamin B3, Pyridine-3-Carboxylic Acid, E375
Summary
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.
Why it's used?
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.
Fine white powder with a slightly grainy texture, thiamine mononitrate used in dog supplements on a plain background
Thiamine Mononitrate
Thiamine Mononitrate
Vitamin B1 Mononitrate, Nitrate Salt of Thiamine, E101a, Thiamin Mononitrate
Summary
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.
Why it's used?
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.
Fine off-white powder texture of calcium pantothenate, a common supplement ingredient for dogs
Calcium Pantothenate
Calcium Pantothenate
D-Calcium Pantothenate, E315, Pantothenic Acid Calcium Salt, Calcium D-Pantothenate
Summary
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.
Why it's used?
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.
Fine pale yellow powder of Vitamin A with a smooth texture, commonly used as a dog supplement for health and nutrition
Vitamin A
Vitamin A
Retinol, Retinyl Palmitate, Retinyl Acetate, E160a
Summary
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.
Why it's used?
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.
Bright yellow riboflavin powder with a fine, slightly grainy texture displayed in a close-up circular view
Riboflavin
Riboflavin
Vitamin B2, E101, Lactoflavin, 7,8-Dimethyl-10-Ribityl Isoalloxazine
Summary
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.
Why it's used?
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.
Fine white powder texture of pyridoxine hydrochloride, a dog supplement ingredient, shown in close-up detail
Pyridoxine Hydrochloride
Pyridoxine Hydrochloride
Vitamin B6, E300, Pyridoxine HCl, Pyridoxine Monohydrochloride
Summary
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.
Why it's used?
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.
Fine off-white biotin powder with a slightly grainy texture, commonly used as a supplement for dogs
Biotin
Biotin
Vitamin B7, Vitamin H, D-Biotin, Coenzyme R
Summary
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.
Why it's used?
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.
Bright pink Vitamin B12 powder in a fine, soft-textured mound on a plain background
Vitamin B12
Vitamin B12
Cobalamin, Cyanocobalamin, Hydroxocobalamin, Methylcobalamin
Summary
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.
Why it's used?
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.
Bright yellow folic acid powder with a fine, slightly textured surface, used as a supplement for dogs
Folic Acid
Folic Acid
Pteroylmonoglutamic Acid, Pteroylglutamic Acid, Vitamin B9, E920
Summary
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.
Why it's used?
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.
Fine pale yellow Vitamin D3 powder with a smooth, soft texture, commonly used as a supplement for dogs
Vitamin D3
Vitamin D3
Cholecalciferol, Colecalciferol, Calciol, E671
Summary
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.
Why it's used?
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.
Fine white lysine powder with a soft, smooth texture, commonly used as a supplement for dogs
Lysine
Lysine
L-Lysine, 2,6-Diaminohexanoic Acid, E640, L-2,6-Diaminohexanoic Acid
Summary
Lysine is an essential amino acid derived from animal or plant protein sources. It plays a critical role in protein synthesis, supporting muscle development and immune function in pets. Lysine cannot be produced by the body and must be supplied through the diet. It is not used in its raw form but is typically included as a purified amino acid to optimise bioavailability and nutritional balance.
Why it's used?
Lysine is included as an essential amino acid to ensure the pet food meets the complete nutritional requirements for dogs, supporting healthy growth and maintenance. Its addition allows manufacturers to optimise protein quality, especially when using plant-based or mixed protein sources.
Fine white methionine powder with a soft, slightly textured surface, commonly used as a dog supplement ingredient
Methionine
Methionine
L-Methionine, 2-Amino-4-(Methylthio)butyric Acid, E620, L-2-Amino-4-(Methylthio)butyric Acid
Summary
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.
Why it's used?
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.
Fine white taurine powder with a soft, fluffy texture, commonly used as a supplement for dogs
Taurine
Taurine
2-Aminoethanesulphonic Acid, L-Taurine, E107, 2-Aminoethane-1-Sulphonic Acid
Summary
Taurine is a naturally occurring amino sulfonic acid derived from animal sources, particularly meat and fish. It is added to pet food to support cardiovascular health, vision, and proper immune function, especially in cats who cannot synthesise it sufficiently. Taurine is not used in its raw form; instead, it is incorporated as a purified, synthesised compound to ensure stability, safety, and optimal absorption.
Why it's used?
Taurine is included to ensure adequate levels of this essential amino acid, particularly in diets where animal protein content may be insufficient to meet canine or feline nutritional requirements. Its addition supports cardiovascular health and is often used to address consumer concerns about diet-associated heart issues.
Too vague to identify
Natural Flavour
Natural Flavour
Natural Flavouring, Flavouring Substance, Flavouring Preparation, Flavouring Complex
Summary
Natural flavour is a food additive derived from animal or plant sources, designed to enhance the palatability of pet food. Its primary purpose is to improve taste and encourage consistent consumption. Rather than being used in its original raw form, natural flavour is typically processed and concentrated to ensure safety, stability, and uniformity in pet food formulations, while maintaining its natural origin.
Why it's used?
Natural flavour is included to enhance palatability, encouraging pets to consume the product. It also allows manufacturers to improve taste without specifying individual flavouring agents, supporting flexible formulation and label-friendly marketing.
Fine grey iron powder with a slightly rough, sandy texture, displayed in a circular shape for dog nutrition context
Iron
Iron
Ferrum, Fe, E1, Elemental Iron
Summary
Iron is an essential mineral sourced from both animal and plant origins, crucial for oxygen transport and energy metabolism in pets. Its primary benefit is supporting healthy red blood cell formation and preventing anaemia. Iron is not used in its natural, raw, or metallic state; instead, it is utilised in pet food as safe, bioavailable compounds such as iron sulphate or iron proteinate to optimise absorption.
Why it's used?
Iron is included as an essential mineral to support healthy blood function and overall metabolism in pets. Its addition ensures the product meets nutritional requirements and regulatory standards for complete and balanced pet food.
Fine, light grey zinc powder with a slightly grainy texture, commonly used as a dog supplement ingredient
Zinc
Zinc
Zn, E579, Zincum, CI 77947
Summary
Zinc is an essential trace mineral sourced from the earth and is vital for numerous biological functions in pets, including immune support and skin health. In pet food, zinc is not used in its natural metallic state; instead, it is utilised as a compound such as zinc sulphate or zinc chelate to optimise safety and absorption, ensuring pets receive its full nutritional benefit.
Why it's used?
Zinc is included as an essential trace mineral to support immune function, skin health, and overall metabolic processes in pets. Its addition ensures nutritional adequacy and compliance with regulatory labelling standards for complete and balanced pet foods.
Bright blue copper powder with a fine, slightly textured surface, used as a dog supplement ingredient
Copper
Copper
Cu, ECP, CI 77400, C.I. 77400
Summary
Copper is an essential trace mineral sourced from the earth and is vital for numerous physiological functions in pets. It primarily supports red blood cell formation, connective tissue development, and immune system health. Copper is not used in its natural metallic state; instead, it is incorporated into pet food as safe, bioavailable compounds such as copper sulphate or copper proteinate to optimise absorption and efficacy.
Why it's used?
Copper is included as an essential trace mineral to meet nutritional requirements for dogs, supporting enzyme function and red blood cell formation. Its addition ensures compliance with regulatory standards for complete and balanced pet food labelling.
Pale beige manganese powder with a fine, slightly clumpy texture, used as a dog supplement ingredient
Manganese
Manganese
E34, Manganum, Mn, EINECS 231-105-1
Summary
Manganese is an essential trace mineral sourced from the earth and is vital for numerous metabolic processes in pets. It primarily supports bone development, enzyme function, and antioxidant defence. Manganese is not used in its natural metallic state; instead, it is incorporated into pet food as a safe, bioavailable compound such as manganese sulphate or manganese oxide to optimise absorption and efficacy.
Why it's used?
Manganese is included as an essential trace mineral to support metabolic and skeletal health in pets, fulfilling nutritional requirements for complete and balanced pet food. Its addition ensures compliance with regulatory standards and appeals to consumers seeking scientifically formulated diets.
Fine off-white iodine powder with a soft, slightly grainy texture, used as a supplement ingredient for dogs
Iodine
Iodine
Elemental I, E127, Iodum, CAS 7553-56-2
Summary
Iodine is an essential trace mineral sourced primarily from seaweed or mineral deposits. It plays a critical role in supporting healthy thyroid function and hormone production in pets. Iodine is not used in its natural elemental form due to safety and bioavailability concerns; instead, it is typically incorporated as a compound such as potassium iodide or calcium iodate to optimise absorption and efficacy.
Why it's used?
Iodine is included as an essential trace mineral to support thyroid function and overall metabolic health in pets. Its addition ensures nutritional adequacy and compliance with regulatory labelling standards for complete and balanced pet foods.
Light beige selenium powder with a fine, slightly clumpy texture, shown as a common dog supplement ingredient
Selenium
Selenium
Selen, E578, Atomic Number 34, Se
Summary
Selenium is an essential trace mineral sourced from the earth, typically derived from plant or yeast-based compounds for pet food use. It plays a crucial role in supporting antioxidant defences and thyroid function. Selenium is not used in its natural, raw metallic state; instead, it is utilised as a safe, bioavailable compound such as sodium selenite or selenomethionine to optimise absorption and efficacy.
Why it's used?
Selenium is included as an essential trace mineral to meet nutritional requirements and support overall health in pets. Its addition ensures compliance with regulatory standards for complete and balanced pet food formulations.
Fine off-white dicalcium phosphate powder with a slightly grainy texture, commonly used in dog supplements
Dicalcium Phosphate
Dicalcium Phosphate
Calcium Hydrogen Phosphate, Dibasic Calcium Phosphate, E341(ii), Calcium Phosphate Dibasic
Summary
Dicalcium phosphate is a mineral compound derived from calcium and phosphorus, commonly sourced from phosphate rock. It serves as a key dietary supplement in pet foods, providing essential calcium and phosphorus to support healthy bones and teeth. Dicalcium phosphate is not used in its natural raw or metallic state; instead, it is utilised in its purified compound form to ensure safety and optimal absorption.
Why it's used?
Dicalcium phosphate is included as a cost-effective mineral supplement to provide essential calcium and phosphorus for skeletal health. It also serves as a functional agent to improve product texture and processing stability.
Fine white powder texture of glucosamine hydrochloride, a common joint health supplement ingredient for dogs
Glucosamine Hydrochloride
Glucosamine Hydrochloride
D-Glucosamine Monohydrochloride, Glucosamine HCl, 2-Amino-2-Deoxy-D-Glucose Hydrochloride, Chitosamine Hydrochloride
Summary
Glucosamine hydrochloride is a compound derived from shellfish or produced synthetically, categorised as an amino sugar. It is primarily included in pet food to support joint health and maintain cartilage integrity. Glucosamine is not used in its natural raw form; instead, it is utilised as the hydrochloride salt to optimise stability, safety, and absorption in companion animals.
Why it's used?
Glucosamine hydrochloride is included as a functional additive to support joint health claims, appealing to consumers seeking preventative or therapeutic benefits for their pets. Its presence enables manufacturers to market the product as beneficial for mobility and ageing pets, enhancing perceived value.
Amber-brown liquid drop of mixed tocopherols with a glossy, smooth texture on a white background
Mixed Tocopherols
Mixed Tocopherols
Tocopherols, E306, Natural Tocopherols Concentrate, D-Alpha Tocopherol Concentrate
Summary
Mixed tocopherols are a blend of compounds derived from plant oils, primarily functioning as a source of vitamin E. Their main purpose in pet food is to act as natural antioxidants, helping to preserve the freshness of fats and oils. Rather than being used in their isolated, pure form, mixed tocopherols are incorporated as stabilised extracts to optimise safety, efficacy, and nutrient retention.
Why it's used?
Mixed tocopherols are included as a natural preservative to extend shelf life by slowing the oxidation of fats and oils in pet food. They are often used as a label-friendly alternative to synthetic preservatives to appeal to consumer preferences for natural ingredients.
Fine white powder texture of chondroitin sulphate, a common joint health supplement ingredient for dogs
Chondroitin Sulphate
Chondroitin Sulphate
Chondroitin Sulfate, Chondroitin Polysulphate, Chonsurid, Haliotis Spp. Chondroitin Sulphate
Summary
Chondroitin sulphate is a compound derived from animal cartilage, commonly sourced from bovine or marine origins. It is primarily included in pet food to support joint health by aiding cartilage structure and function. Chondroitin is not used in its natural raw state; instead, it is utilised as a purified sulphated glycosaminoglycan to optimise safety, stability, and absorption in companion animals.
Why it's used?
Chondroitin sulphate is included as a functional ingredient to support joint health, appealing to consumers seeking products with perceived mobility benefits for their pets. Its presence also serves a marketing purpose by enhancing the product’s value proposition in the premium and senior pet food segments.
Fine white powder texture of carnitine, a popular dog supplement ingredient for health and vitality
Carnitine
Carnitine
L-Carnitine, Levocarnitine, Vitamin Bt, E306
Summary
Carnitine is a naturally occurring compound derived from animal sources, primarily meat and fish. It plays a crucial role in energy metabolism by transporting fatty acids into the mitochondria for cellular energy production. In pet food, carnitine is utilised in a synthesised, bioavailable form rather than its raw state, ensuring optimal absorption and safety for companion animals.
Why it's used?
Carnitine is included as a functional ingredient to support fat metabolism and energy production, particularly in formulas targeting active or senior pets. Its addition allows manufacturers to market the product as supporting heart health and weight management.
Bright orange, finely textured beta carotene powder in a close-up circular view for dog health supplements
Beta Carotene
Beta Carotene
Provitamin A, E160a, All-Trans-Beta-Carotene, CI 40800
Summary
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.
Why it's used?
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.

About

Brand
Hill's Prescription Diet
Company
Hill's Pet Nutrition
Manufactured
United States
Type
Kibble
Life Stage
Adult, Senior
Breed Size
All Breeds
Feeding Type
Complete Meal
Processing Level
High

Product Tags

Dairy Free

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About the Brand

Hill's 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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