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Hill's Science Diet
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Adult 6+ Large Breed Chicken Meal, Barley and Rice Recipe Dog Food

Adult 6+ Large Breed Chicken Meal, Barley and Rice Recipe Dog Food

Hill's Science Diet
4.8
(
511
)
Hill's Science Diet Adult 6+ Large Breed Chicken Meal, Barley and Rice Recipe is a dry dog food formulated for large breed dogs aged six years and older. Chicken meal is the primary protein source with barley and rice providing carbohydrates. The formula includes glucosamine and chondroitin for joint support, L-carnitine to help maintain lean muscle, and a blend of antioxidants for immune health. It is not suitable for puppies, pregnant, or nursing dogs.
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Size 1
12kg
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Overview

Hill's Science Diet Adult 6+ Large Breed Chicken Meal, Barley and Rice Recipe is a dry dog food formulated for large breed dogs aged six years and older. Chicken meal is the primary protein source with barley and rice providing carbohydrates.

The formula includes glucosamine and chondroitin for joint support, L-carnitine to help maintain lean muscle, and a blend of antioxidants for immune health. It is not suitable for puppies, pregnant, or nursing dogs.

Nutritional Analysis

Protein
18.7
%
0%
Fat
13.5
%
0%
Fibre
2.4
%
0%
Ash
3.2
%
0%
Carbohydrates
58.7
%
0%
Energy
355
0
 kcal/100g

Ingredients

Chicken Meal, Cracked Pearled Barley, Brewers Rice, Whole Grain Wheat, Whole Grain Corn, Whole Grain Sorghum, Whole Grain Oats, Chicken Fat, Dried Beet Pulp, Soybean Meal, Chicken Liver Flavour, Soybean Oil, Lactic Acid, Flaxseed, Potassium Chloride, Calcium Carbonate, Iodised Salt, Fructooligosaccharides (FOS), Choline Chloride, 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), Dl-Methionine, L-Lysine, Minerals (Ferrous Sulphate, Zinc Oxide, Copper Sulphate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Taurine, Mixed Tocopherols For Freshness, Natural Flavours, L-Carnitine, Beta-Carotene.

Ingredient images are illustrative only and may not represent the exact source or form used by manufacturers.
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.
Pile of light beige cracked pearled barley grains with rough, uneven texture, suitable for dog food nutrition
Cracked Pearled Barley
Cracked Pearled Barley
Pearled Barley Grits, Barley Grits, Hordeum Vulgare Grits, Pearled Barley Fragments
Summary
Cracked pearled barley is a cereal grain derived from barley that has been polished to remove its outer hull and bran, then cracked into smaller pieces. As a plant-based ingredient, it is primarily included in pet food for its digestible carbohydrates and dietary fibre, supporting energy and digestive health. Cracked pearled barley is used in its natural, minimally processed form to optimise nutrient availability.
Why it's used?
Cracked pearled barley is included as a cost-effective carbohydrate source that provides bulk and energy to pet food formulations. Its processing improves digestibility and contributes to a desirable texture, supporting both nutritional and manufacturing objectives.
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.
Round, golden-brown wholegrain sorghum kernels with a smooth, glossy texture clustered together
Wholegrain Sorghum
Wholegrain Sorghum
Sorghum Bicolor, Whole Grain Sorghum, Sorghum Wholegrain, Sorghum Kernel
Summary
Wholegrain sorghum is a cereal grain derived from the sorghum plant, a member of the grass family. As a plant-based ingredient, it is primarily included in pet food for its complex carbohydrates, dietary fibre, and essential nutrients, supporting sustained energy and digestive health. Wholegrain sorghum is used in its natural, unrefined form, retaining its bran, germ, and endosperm for optimal nutritional value.
Why it's used?
Wholegrain sorghum is included as a cost-effective, gluten-free carbohydrate source that provides energy and dietary fibre. Its use also supports label appeal by offering a wholegrain ingredient perceived as nutritious by consumers.
Wholegrain oats, golden brown and oval-shaped, with a smooth texture, piled together in their natural form
Wholegrain Oats
Wholegrain Oats
Avena Sativa, Oat Groats, Whole Oat Groats, Avena Sativa Grain
Summary
Wholegrain oats are a cereal grain derived from the oat plant (Avena sativa), classified as a plant-based ingredient. They are included in pet food primarily as a source of complex carbohydrates, dietary fibre, and essential nutrients, supporting digestive health and sustained energy. Wholegrain oats are used in their natural, unrefined form, retaining the bran, germ, and endosperm for optimal nutritional value.
Why it's used?
Wholegrain oats are included as a cost-effective carbohydrate source that provides dietary fibre and energy. They also serve as a label-friendly ingredient, appealing to consumers seeking whole and recognisable grains in pet food.
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, shredded beet pulp with a dry, coarse texture, shown loose in a pile for dog food nutrition
Beet Pulp
Beet Pulp
Dried Sugar Beet Pulp, Sugar Beet Fibre, Beta Vulgaris Pulp, Sugar Beet Residue
Summary
Beet pulp is a fibrous by-product derived from sugar beet plants after sugar extraction. It serves as a valuable source of moderately fermentable fibre, supporting digestive health and stool quality in pets. Beet pulp is incorporated in its dried, processed form rather than as raw beet, ensuring optimal digestibility and nutrient availability for companion animals.
Why it's used?
Beet pulp is included as a cost-effective source of dietary fibre to promote digestive health and stool quality in pets. It also serves as a bulk-adding agent, helping to optimise product texture and satiety.
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.
Fine, reddish-brown chicken liver flavour powder with a smooth, dry texture, commonly used in dog food and treats
Chicken Liver Flavour
Chicken Liver Flavour
Chicken Liver Extract, Gallus Gallus Domesticus Liver Flavour, Chicken Hepatic Flavour, Chicken Liver Essence
Summary
Chicken liver flavour is a palatant derived from animal sources, specifically chicken liver, and is used to enhance the taste and aroma of pet foods. Its primary function is to improve palatability, encouraging consistent consumption. This ingredient is not used in its whole food form; instead, it is processed and concentrated to deliver a consistent and appealing flavour profile.
Why it's used?
Chicken liver flavour is included to enhance palatability, encouraging dogs to consume the product. It also allows manufacturers to market the food as having a desirable, meat-based taste without the cost of using whole chicken liver.
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.
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.
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 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 white powder texture of fructooligosaccharides, a common ingredient in dog supplements and pet nutrition products
Fructooligosaccharides
Fructooligosaccharides
Oligofructose, FOS, Oligofructan, E968
Summary
Fructooligosaccharides are short-chain carbohydrates derived from plant sources such as chicory root. They serve primarily as prebiotics, supporting digestive health by promoting the growth of beneficial gut bacteria. Fructooligosaccharides are not used in their whole plant form but are extracted and purified for inclusion in pet food, ensuring optimal efficacy and digestibility for companion animals.
Why it's used?
Fructooligosaccharides are included as a prebiotic fibre to support digestive health by promoting beneficial gut bacteria. They also serve as a label-friendly functional ingredient that can enhance the perceived nutritional value of the product.
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 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 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 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.
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 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.
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 Science Diet
Company
Hill's Pet Nutrition
Manufactured
United States
Type
Kibble
Life Stage
Senior
Breed Size
Large
Feeding Type
Complete Meal
Processing Level
High

PRODUCT TAGS

Dairy Free
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About the Brand

Hill's Science Diet

Vet recommended dog food formulated on clinical nutrition science.

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Adult 6+ Large Breed Chicken Meal, Barley and Rice Recipe Dog Food
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