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Home
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Hill's Prescription Diet
/
t/d Chicken Flavour Dry Dog Food

t/d Chicken Flavour Dry Dog Food

Hill's Prescription Diet
4.7
(
271
)
Hill's Prescription Diet t/d Dental Care Dry Dog Food is a clinically proven dental health diet formulated for adult dogs, designed to reduce plaque, tartar, and stain build-up through the mechanical action of chewing. Dental disease is one of the most prevalent health conditions in dogs, affecting the majority of adult animals by the age of three and, if untreated, leading to pain, tooth loss, and systemic complications involving the heart, kidneys, and liver. This formula is accepted by the Veterinary Oral Health Council (VOHC) and is the only therapeutic nutrition clinically proven to reduce both plaque and tartar build-up in dogs of all breed sizes. Formulated by Hill's nutritionists and veterinarians, it uses a specially engineered large kibble with a triple-action fibre matrix that scrubs the tooth surface down to the gum line with every bite, providing comprehensive dental cleaning as part of daily feeding. It also provides complete and balanced nutrition for long-term feeding. Always consult your veterinarian about your dog's dental health.
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Comments
Size 1
2.2kg
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11.3kg
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Overview

Hill's Prescription Diet t/d Dental Care Dry Dog Food is a clinically proven dental health diet formulated for adult dogs, designed to reduce plaque, tartar, and stain build-up through the mechanical action of chewing. Dental disease is one of the most prevalent health conditions in dogs, affecting the majority of adult animals by the age of three and, if untreated, leading to pain, tooth loss, and systemic complications involving the heart, kidneys, and liver. This formula is accepted by the Veterinary Oral Health Council (VOHC) and is the only therapeutic nutrition clinically proven to reduce both plaque and tartar build-up in dogs of all breed sizes.

Formulated by Hill's nutritionists and veterinarians, it uses a specially engineered large kibble with a triple-action fibre matrix that scrubs the tooth surface down to the gum line with every bite, providing comprehensive dental cleaning as part of daily feeding. It also provides complete and balanced nutrition for long-term feeding. Always consult your veterinarian about your dog's dental health.

Nutritional Analysis

Protein
18.3
%
0%
Fat
16.5
%
0%
Fibre
10.8
%
0%
Carbohydrates
49.9
%
0%
Energy
347
0
 kcal/100g

Ingredients

Brewers Rice, Whole Grain Corn, Chicken By-Product Meal, Powdered Cellulose, Chicken Fat, Soybean Mill Run, Egg Product, Hydrolysed Chicken Flavour, Soybean Oil, Lactic Acid, Potassium Chloride, Calcium Sulphate, Iodised Salt, L-Lysine, Vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate, Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement), Choline Chloride, DL-Methionine, Minerals (Ferrous Sulphate, Zinc Oxide, Copper Sulphate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Dicalcium Phosphate, Taurine, Mixed Tocopherols, Natural Flavours, 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 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.
Fine, light brown chicken by-product meal powder with a dry, crumbly texture, commonly used in dog food
Chicken By-Product Meal
Chicken By-Product Meal
Poultry By-Product Meal, Gallus Gallus Domesticus By-Product Meal, Rendered Chicken By-Product, Chicken Offal Meal
Summary
Chicken by-product meal is a rendered ingredient derived from the clean, non-rendered parts of chickens, such as necks, feet, undeveloped eggs, and intestines, excluding feathers. Sourced from animal origin, it serves as a concentrated protein and mineral source in pet food. It is not used in its natural form but is processed into a meal to optimise digestibility and nutrient availability.
Why it's used?
Chicken by-product meal is included as a cost-effective, protein-rich ingredient that utilises parts of the chicken not typically consumed by humans, optimising resource use. It provides essential amino acids while helping manufacturers maintain a competitive price point.
Light beige cellulose powder with a fine, soft texture, commonly used as dietary fibre in dog food
Cellulose Powder
Cellulose Powder
Microcrystalline Cellulose, Powdered Cellulose, E460, Cellulosum
Summary
Cellulose powder is a plant-derived ingredient sourced primarily from wood pulp. It serves as an insoluble dietary fibre, supporting digestive health and stool quality in pets. Rather than being used in its raw, fibrous state, cellulose is processed into a fine powder to optimise its functional benefits and ensure safe, consistent inclusion in pet food formulations.
Why it's used?
Cellulose powder is included as a cost-effective fibre source to aid stool quality and promote digestive health. It also functions as a bulk-adding agent, helping to control calorie density in pet food formulations.
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, coarse soybean mill run in a loose pile, showing dry, flaky texture used in dog food ingredients
Soybean Mill Run
Soybean Mill Run
Soybean Hulls, Soybean Bran, Dehulled Soybean Residue, Glycine Max
Summary
Soybean mill run is a by-product of soybean processing, derived from the outer hulls and fragments of soybeans (plant origin) remaining after oil extraction. It is primarily included in pet food as a source of dietary fibre to support digestive health. Soybean mill run is used in its processed form, not as whole soybeans, to optimise digestibility and nutrient availability for pets.
Why it's used?
Soybean mill run is included as a cost-effective carbohydrate and fibre source, providing bulk and energy while helping to manage production costs. It also aids in stool quality and acts as a functional filler to optimise kibble texture.
Fine yellow egg product powder with a smooth, dry texture, commonly used as a nutritious dog food ingredient
Egg Product
Egg Product
Dried Egg, Liquid Egg, Frozen Egg, Ovum Gallus Gallus
Summary
Egg product is a nutrient-rich ingredient derived from whole eggs, typically sourced from hens. It serves as a high-quality animal protein, providing essential amino acids, vitamins, and minerals to support overall pet health. In pet food, egg product is used in a processed, pasteurised form rather than raw, ensuring safety, digestibility, and consistent nutritional value for pets.
Why it's used?
Egg product is included as a high-quality, highly digestible protein source to support essential amino acid requirements in pet food. It also enhances palatability and can improve the nutritional profile for marketing purposes.
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.
Golden yellow drop of soybean oil with a smooth, glossy texture on a white background
Soybean Oil
Soybean Oil
Glycine Max Oil, E322, Soya Oil, Soya Bean Oil
Summary
Soybean oil is a plant-derived oil extracted from the seeds of the soybean (Glycine max). It serves as a concentrated source of energy and provides essential fatty acids, particularly linoleic acid, which supports skin and coat health in pets. Soybean oil is utilised in its refined liquid form, not as whole soybeans, to optimise digestibility and nutrient availability in pet food formulations.
Why it's used?
Soybean oil is included as a cost-effective source of fat and essential fatty acids, supporting energy density and skin and coat health in pet food. It also contributes to product texture and palatability while helping to optimise manufacturing costs.
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.
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 calcium sulphate powder with a soft, slightly grainy texture, suitable for dog supplements
Calcium Sulphate
Calcium Sulphate
Gypsum, E516, Anhydrite, Dihydrate Gypsum
Summary
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.
Why it's used?
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.
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 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, 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 texture of ascorbyl polyphosphate, a vitamin C supplement ingredient for dog health products
Ascorbyl Polyphosphate
Ascorbyl Polyphosphate
L-Ascorbyl Polyphosphate, Ascorbic Acid Polyphosphate, Polyphosphate Ester of Ascorbic Acid, E304
Summary
Ascorbyl polyphosphate is a synthesised compound derived from vitamin C (ascorbic acid), typically of plant origin. It serves as a stable source of vitamin C, supporting immune function and acting as an antioxidant in pet food. Ascorbyl polyphosphate is not used in its natural form; instead, it is utilised as a phosphate-bound compound to optimise stability and bioavailability.
Why it's used?
Ascorbyl polyphosphate is included as a stable, cost-effective source of vitamin C that resists degradation during processing and storage. Its use helps manufacturers ensure consistent nutrient labelling and extend the shelf life of the finished product.
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 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.
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.
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 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.
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.
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, 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 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.
Pale grey ferrous sulphate powder with a fine, slightly clumpy texture, commonly used in dog supplements
Ferrous Sulphate
Ferrous Sulphate
Iron(II) Sulphate, Ferrous Iron Sulphate, E172, Green Vitriol
Summary
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.
Why it's used?
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.
Fine white powder texture of zinc oxide, commonly used in Australian dog supplements and skin care products
Zinc Oxide
Zinc Oxide
Zinc White, CI 77947, Calamine, Chinese White
Summary
Zinc oxide is an inorganic compound derived from the mineral zinc, commonly used in pet food as a supplemental source of the essential trace mineral zinc. Its primary benefit is to support immune function, skin health, and enzyme activity. Zinc is not used in its natural metallic state; instead, it is utilised as zinc oxide to optimise safety, stability, and bioavailability in pet nutrition.
Why it's used?
Zinc oxide is included as a cost-effective and stable source of essential zinc, supporting nutritional adequacy in pet food formulations. Its use ensures compliance with regulatory requirements for trace minerals while maintaining product shelf stability.
Bright blue copper sulphate powder with a fine, slightly clumpy texture, commonly used as a mineral supplement for dogs
Copper Sulphate
Copper Sulphate
Cupric Sulphate, Blue Vitriol, Roman Vitriol, E519
Summary
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.
Why it's used?
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.
Light grey manganous oxide powder with a fine, slightly grainy texture shown in a close-up circular view
Manganous Oxide
Manganous Oxide
Manganese(II) Oxide, Manganese Monoxide, E172, Manganese Oxide
Summary
Manganous oxide is an inorganic compound derived from the mineral form of manganese, an essential trace element. It is included in pet food primarily as a source of manganese, which supports bone development, metabolism, and antioxidant function. Manganous oxide is not used in its natural metallic state; instead, it is utilised as a safe, bioavailable compound to optimise absorption and nutritional benefit.
Why it's used?
Manganous oxide is included as a cost-effective source of manganese, an essential trace mineral that supports metabolic and skeletal functions in pets. Its stable form allows for consistent nutrient delivery throughout the product’s shelf life.
Fine off-white calcium iodate powder with a soft, slightly grainy texture, commonly used in dog health supplements
Calcium Iodate
Calcium Iodate
Calcium Diiodate, E917, Ca(IO3)2, Calcium Iodate Anhydrous
Summary
Calcium iodate is a mineral-derived compound commonly included in pet foods as a source of iodine, an essential trace element. It is not used in its natural, raw mineral state; instead, it is utilised in the form of a stable, food-grade compound to ensure safety and optimal absorption. Its primary purpose is to support healthy thyroid function and metabolic processes.
Why it's used?
Calcium iodate is included as a stable, bioavailable source of iodine to support thyroid function and overall metabolic health in pets. Its use ensures consistent iodine content throughout the product, optimising nutritional labelling and regulatory compliance.
Fine, off-white powder texture of sodium selenite, a common supplement ingredient for dogs
Sodium Selenite
Sodium Selenite
Disodium Selenite, E901, Selenious Acid Disodium Salt, Disodium Selenious Acid
Summary
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.
Why it's used?
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.
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 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.
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.
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.
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

Gluten Free
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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