Giant Adult Dry Dog Food

Overview
Royal Canin Giant Adult is a complete diet for dogs weighing 45kg and over, featuring a large, tailored kibble specifically adapted to their massive jaw to encourage chewing and slow the rate of ingestion.
The formula provides a precise nutrient balance to support bone and joint health under heavy loads while ensuring high quality proteins and taurine for optimal digestion and cardiac support.
Nutritional Analysis
Ingredients
Dehydrated Poultry Proteins, Wheat Flour, Animal Fats, Maize Flour, Maize, Vegetable Fibres, Hydrolysed Animal Proteins, Maize Gluten, Beet Pulp, Wheat Gluten, Minerals, Soya Oil, Yeasts Products, Fish Oil, Algal Oil Schizochytrium Sp., Glucosamine From Fermentation, Marigold Meal, Hydrolysed Cartilage. Nutritional Additives (Per Kg): Vitamin A: 15700 IU, Vitamin D3: 1000 IU, Iron: 31 Mg, Iodine: 3.1 Mg, Copper: 10 Mg, Manganese: 40 Mg, Zinc: 131 Mg, Selenium: 0.05 Mg. Technological Additives: Clinoptilolite Of Sedimentary Origin: 10 G, Preservatives, Antioxidants.

Dried Poultry Protein, Poultry Protein Concentrate, Hydrolysed Poultry Protein, Gallus Spp. Protein
Dehydrated poultry protein is a concentrated animal-derived ingredient produced by removing moisture from poultry meat. It serves as a rich source of highly digestible protein, supporting muscle maintenance and overall health in pets. Rather than using whole poultry, this ingredient is utilised in a dehydrated, powdered form to optimise protein content and shelf stability in premium pet foods.
Dehydrated poultry protein is included as a concentrated, cost-effective source of animal protein to support muscle maintenance and overall nutrition. Its use also allows manufacturers to optimise protein levels while controlling moisture content for improved product stability.

Triticum Aestivum Flour, White Flour, Plain Flour, All-Purpose Flour
Wheat flour is a finely milled powder derived from the grinding of wheat grains, a plant-based ingredient commonly used in pet foods. Its primary purpose is to provide a source of carbohydrates for energy, as well as some protein and dietary fibre. Wheat flour is utilised in its natural form, making it a functional ingredient for binding and texture in pet food formulations.
Wheat flour is included as a cost-effective carbohydrate source that provides bulk and energy to pet food formulations. It also serves as a functional binding agent, helping to improve texture and product consistency.

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

Corn Flour, Zea Mays Flour, Zea Mays, E160b
Maize flour is a finely ground powder derived from whole maize (corn) kernels, making it a plant-based ingredient. It serves primarily as a carbohydrate source, providing energy and aiding in kibble structure. In pet food, maize flour is used in its natural, milled form rather than as a raw kernel, ensuring digestibility and consistent nutrient delivery.
Maize flour is included as a cost-effective carbohydrate source that provides energy and helps achieve the desired texture in pet food formulations. It also serves as a bulk-adding agent, allowing manufacturers to optimise production costs while maintaining product consistency.

Corn, Zea Mays, Sweetcorn, Indian Corn
Maize is a cereal grain derived from the plant Zea mays and is commonly used in pet food as a source of carbohydrates and energy. It provides essential nutrients such as dietary fibre, vitamins, and minerals. In pet food formulations, maize is typically used in its natural, whole or ground form, allowing for optimal digestibility and nutrient availability for pets.
Maize is included as a cost-effective carbohydrate source that provides energy and helps maintain product texture. It also serves as a bulk-adding agent, supporting kibble structure and processing efficiency.

Dietary Fibre, Plant Fibre, Fibre, E460
Vegetable fibres are plant-derived components sourced from various vegetables and are included in pet food formulations. Their primary purpose is to support digestive health by providing insoluble and soluble fibre, which aids in healthy bowel function and stool quality. Vegetable fibres are used in their natural form, ensuring pets receive the functional benefits of whole plant material.
Vegetable fibres are included as a cost-effective source of dietary fibre to support digestive health and promote stool quality. They also serve as a bulk-adding agent, helping to optimise product texture and satiety.

Hydrolysed Animal Derivative, Hydrolysed Animal Extract, Hydrolysed Animal Peptides, Hydrolysed Animal Protein Hydrolysate
Hydrolysed animal protein is a protein ingredient derived from animal sources, such as poultry or fish, that has been broken down into smaller peptides and amino acids through a process called hydrolysis. Its primary purpose is to provide highly digestible protein, supporting muscle maintenance and overall health. Rather than using whole animal tissue, this ingredient is utilised in its hydrolysed form to optimise digestibility and reduce allergenic potential.
Hydrolysed animal protein is included as a highly digestible protein source that can help reduce the risk of allergic reactions in sensitive pets. It also enhances palatability, making the product more appealing to animals.

Corn Gluten, Zea Mays Gluten, Zea Mays Protein, E160d
Maize gluten is a protein-rich ingredient derived from the wet-milling of maize (corn), a plant source. It is primarily included in pet food to provide a concentrated source of plant protein, supporting muscle maintenance and overall health. Maize gluten is utilised in a processed form, not as whole maize, to optimise digestibility and nutrient availability for pets.
Maize gluten is included as a cost-effective protein source that helps meet nutritional requirements while supporting product texture and binding. It also contributes to the overall protein content, allowing manufacturers to optimise formulation costs.

Dried Sugar Beet Pulp, Sugar Beet Fibre, Beta Vulgaris Pulp, Sugar Beet Residue
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.
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.

Vital Wheat Gluten, Seitan, Gluten, Triticum Aestivum Gluten
Wheat gluten is a plant-derived protein extracted from wheat grains. It serves as a concentrated protein source and functional binder in pet foods, enhancing texture and protein content. Wheat gluten is not used in its whole grain form; instead, it is isolated and processed to optimise digestibility and nutritional value for pets, ensuring both safety and effective nutrient absorption.
Wheat gluten is included as a concentrated, cost-effective protein source that helps improve the texture and binding of kibble. It also enhances product consistency and can contribute to the protein content declared on the label.

Dietary Minerals, Inorganic Nutrients, Essential Minerals, Bulk Elements
Minerals are essential inorganic nutrients derived from the earth, not produced by animals or plants. They play a critical role in supporting various physiological functions, such as bone development, nerve transmission, and enzyme activity. In pet food, minerals are not used in their natural raw or metallic state; instead, they are incorporated as specific compounds (such as sulphates or chelates) to optimise safety and bioavailability.
Minerals are included to meet essential nutritional requirements for pets, supporting overall health and proper bodily functions. They are often added in precise amounts to ensure the product complies with regulatory standards and nutrient profiles.

Glycine Max Oil, E322, Soya Oil, Soya Bean Oil
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.
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.

Saccharomyces Cerevisiae, Yeast Extract, Autolysed Yeast, Inactive Yeast
Yeast products are derived from single-celled fungi, typically Saccharomyces cerevisiae, and are commonly sourced from fermentation processes. They serve as a rich source of B vitamins, amino acids, and functional proteins, supporting digestive health and immune function in pets. Yeast is not used in its live, raw state; instead, it is processed into inactive or hydrolysed forms to optimise safety and nutrient availability.
Yeast products are included as a palatability enhancer and natural source of nutrients, helping to improve flavour and encourage consumption. They may also provide functional benefits such as supporting digestive health and contributing to the overall nutritional profile.

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

Algal Oil, Microalgae Oil, Schizochytrium Spp. Oil, Crypthecodinium Cohnii Oil
Algae oil is a plant-derived oil extracted from various species of microalgae. It serves as a rich source of omega-3 fatty acids, particularly DHA, which supports cognitive and visual development in pets. Algae oil is utilised in its refined form, not as whole algae, to ensure purity, safety, and optimal absorption of its beneficial nutrients in pet food formulations.
Algae oil is included as a sustainable and label-friendly source of omega-3 fatty acids, providing a plant-based alternative to fish oil. Its use allows manufacturers to appeal to environmentally conscious consumers while supporting the nutritional profile of the product.

Fermented Glucosamine, Glucosamine (Fermentation Derived), Glucosamine (Microbial Fermentation), Glucosamine (Biofermentation)
Glucosamine from fermentation is a compound derived from the controlled microbial fermentation of plant-based substrates. It is primarily included in pet food to support joint health by aiding cartilage maintenance and repair. Unlike naturally occurring glucosamine found in animal tissues, this ingredient is utilised in its purified, bioavailable form, ensuring consistent quality and optimal absorption for pets.
Glucosamine from fermentation is included as a functional ingredient to support joint health claims, appealing to pet owners seeking preventative or therapeutic benefits for their pets. Its fermentation-derived origin allows for consistent quality and label-friendly marketing as a non-animal source.

Calendula Officinalis Meal, Calendula Meal, Dried Calendula Officinalis, Dried Calendula Meal
Marigold meal is a plant-derived ingredient made from the dried and ground flowers of the marigold (Tagetes erecta). It is primarily included in pet food for its natural lutein content, which supports eye health and provides antioxidant benefits. Marigold meal is used in its natural, whole-food form, ensuring the retention of its beneficial carotenoids and phytonutrients.
Marigold meal is included as a natural colourant to enhance the visual appeal of pet food and as a label-friendly ingredient that may appeal to consumers seeking botanicals. It may also be used for its potential antioxidant properties, supporting product marketing claims.

Hydrolysed Collagen, Collagen Hydrolysate, Gelatine Hydrolysate, Collagen Peptides
Hydrolysed cartilage is an animal-derived ingredient sourced primarily from poultry or bovine connective tissue. It is included in pet food for its high collagen content, supporting joint health and mobility. Rather than being used in its raw form, cartilage undergoes hydrolysis—a process that breaks down proteins into smaller peptides—enhancing digestibility and bioavailability for optimal nutritional benefit.
Hydrolysed cartilage is included as a source of collagen and amino acids, supporting joint health claims and appealing to consumers seeking functional benefits for their pets. Its processed form also enhances digestibility and can be used to differentiate products in a competitive market.

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

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

Ferrum, Fe, E1, Elemental Iron
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.
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.

Elemental I, E127, Iodum, CAS 7553-56-2
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.
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.

Cu, ECP, CI 77400, C.I. 77400
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.
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.

E34, Manganum, Mn, EINECS 231-105-1
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.
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.

Zn, E579, Zincum, CI 77947
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.
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.

Selen, E578, Atomic Number 34, Se
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.
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.

Natural Zeolite, Zeolite Clinoptilolite, Sedimentary Zeolite, E567
Clinoptilolite of sedimentary origin is a naturally occurring mineral from the zeolite group, sourced from ancient volcanic ash deposits. It is primarily included in pet food for its ability to bind toxins and support digestive health. Rather than being used in its raw mineral state, clinoptilolite is processed and purified to ensure safety and optimise its functional benefits in animal nutrition.
Clinoptilolite of sedimentary origin is included as a functional additive to act as an anti-caking agent and to support digestive health by binding toxins and optimising stool quality. Its use can also enhance product stability and improve the overall handling of the finished pet food.

Antimicrobials, E Numbers, Food Additives, Chemical Preservatives
Preservatives are compounds added to pet food to inhibit the growth of spoilage microorganisms and extend shelf life. Originating from both synthetic and natural sources, their primary function is to maintain product safety and freshness. Preservatives are not used in their raw or elemental state; instead, they are incorporated as specific compounds, such as mixed tocopherols or potassium sorbate, to optimise efficacy and safety for pets.
Preservatives are included to extend the product’s shelf life by inhibiting the growth of spoilage organisms and maintaining freshness during storage and distribution. Their use helps ensure product safety and stability, reducing waste and optimising inventory management.

Antioxidant Agents, Free Radical Scavengers, E306, E321
Antioxidants are compounds sourced from both plant and synthetic origins, commonly added to pet food to protect fats and oils from oxidation, thereby preserving freshness and nutritional quality. Their primary function is to neutralise free radicals, supporting cellular health. Antioxidants are not used in their raw or isolated chemical state; instead, specific forms such as mixed tocopherols or ascorbate compounds are utilised for safety and efficacy.
Antioxidants are included to prevent the oxidation of fats and oils, thereby extending the product’s shelf life and maintaining nutritional quality. They also help preserve colour and flavour, supporting product stability and consumer appeal.
Score Card
Every product is assessed using the Dog Directory Integrity Framework, giving dog owners a clear and trustworthy way to compare products. This ensures each review reflects overall quality and formulation integrity, not just marketing claims.
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- Overall ScoreScore Info
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About the Brand
Royal Canin
Royal Canin is a global pet nutrition leader owned by Mars Petcare. Their tailored range includes breed-specific, life-stage, and size-based diets for dogs and cats, developed with 500+ vets worldwide.





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