Royal Canin Size Health Nutrition Medium Adult Review

Compare Prices To Find The Lowest Price
61.99 + Shipping (Free)
$40.29 First Auto-Ship Order
Free 1-3 Day Shipping Orders $49+
35% Off First Auto-Ship
61.99 + Shipping (Free)
$49.59 w/ code PawDiet20
20% Off First AutoShip
Use Code: PawDiet20
61.99 + Shipping (Free)
Free Shipping On Orders $25+
61.99 + Shipping (Free)
Free Shipping On Orders $35+
99.99 + Shipping (Free)
$64.99 First Auto-Ship Order
Free 1-3 Day Shipping Orders $49+
35% Off First Auto-Ship
99.99 + Shipping (Free)
$79.99 w/ code PawDiet20
20% Off First AutoShip
Use Code: PawDiet20
99.99 + Shipping (Free)
Free Shipping On Orders $25+
99.99 + Shipping (Free)
Free Shipping On Orders $35+
199.98 + Shipping (Free)
$159.98 w/ code PawDiet20
20% Off First AutoShip
Use Code: PawDiet20

PawDiet has been helping pet owners since 2015. To fund our efforts, articles may include affiliate links; if you buy something through a link, we may earn a commission.


Review of Royal Canin Size Health Nutrition Medium Adult

According to our data, this Royal Canin recipe provides complete & balanced nutrition for the maintenance of adult dogs. In other words, this formula is AAFCO approved.

Royal Canin Size Health Nutrition Medium Adult is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for the maintenance of adult dogs.

Review of Ingredients

In our review of Royal Canin Size Health Nutrition Medium Adult, we'll examine all 42 ingredients and highlight the nutritional contribution of each ingredient.

While the first few ingredients typically dominate the recipe's composition, ingredients in small quantities can still have a meaningful impact on the overall nutritional profile of the recipe.

  1. Brewers rice is a highly digestible carbohydrate source that provides energy for your dog.

  2. Chicken by-product meal is a concentrated source of protein that provides essential amino acids for your dog's growth, maintenance, and immune system support. It's made from the clean parts of the chicken, such as the neck, feet, and viscera, which are rich in nutrients.

  3. Oat groats provide a wholesome source of fiber, vitamins, and minerals, contributing to healthy digestion and overall well-being in your dog.

  4. Wheat is a wholesome grain that provides essential nutrients, fiber, and energy to support your dog's overall health and well-being.

  5. Corn gluten meal is a by-product of corn processing that serves as an alternative protein source for dogs. It is rich in essential amino acids, and it can also provide energy and support healthy skin and coat for your pet.

  6. Chicken fat is a highly palatable source of energy, providing essential fatty acids for a healthy skin and coat, as well as supporting your dog's immune system.

  7. Natural flavor is added to dog food to enhance its taste and make it more appealing to your pet. This can help encourage your dog to eat a balanced and nutritious diet, supporting their overall health and well-being.

  8. Dried plain beet pulp is a source of dietary fiber that can help support your dog's digestive health, promote regular bowel movements, and aid in nutrient absorption.

  9. Fish oil is a rich source of omega-3 fatty acids, which are essential for maintaining a healthy skin and coat, supporting brain function, and promoting overall immune system health in dogs.

  10. Calcium carbonate is a valuable source of calcium, an essential mineral for strong bones and teeth, and for supporting proper muscle function in your dog.

  11. Vegetable oil is a source of essential fatty acids that support healthy skin and coat, brain function, and overall wellbeing in your dog.

  12. Potassium chloride is an essential mineral supplement that helps maintain your dog's electrolyte balance and supports healthy nerve and muscle function.

  13. While salt is a necessary component of a dog's diet, providing essential minerals such as sodium and chloride for proper cellular function, it should be provided in moderation to avoid health issues like hypertension or kidney damage.

  14. Monocalcium phosphate is a source of calcium and phosphorus, two essential minerals that help support your dog's healthy bones, teeth, and overall growth. It also aids in proper nerve function and energy metabolism.

  15. Choline Chloride is an essential nutrient that aids in brain and liver function, muscle movement, and supports healthy metabolic processes.

  16. Hydrolyzed yeast is used as a flavor enhancer in dog food. It can also support a healthy immune system and aid digestion due to the presence of beta-glucans.

  17. DL-alpha tocopherol acetate, also known as Vitamin E, is an antioxidant that helps protect your dog's cells from damage.

  18. L-ascorbyl-2-polyphosphate is a stable form of vitamin C, an essential antioxidant that supports your dog's immune system, joint health, and overall wellness.

  19. Biotin is a B-vitamin that's important for maintaining healthy skin, coat, and nails in dogs.

  20. D-Calcium Pantothenate is a source of pantothenic acid, a B-vitamin that helps in energy metabolism and the synthesis of important compounds in the body.

  21. Vitamin A acetate is a form of vitamin A, which is essential for your dog's overall health. It supports healthy vision, immune function, and proper growth and development. Vitamin A acetate also plays a crucial role in maintaining healthy skin and coat, ensuring your dog looks and feels its best.

  22. Niacin supplement is an important source of vitamin B3, which plays a crucial role in supporting your dog's energy metabolism, nervous system function, and overall health. It also aids in maintaining healthy skin and coat, as well as promoting proper digestion.

  23. Pyridoxine hydrochloride is a source of vitamin B6, which is essential for your dog's nervous system function, immune health, and red blood cell production.

  24. Thiamine mononitrate is a form of vitamin B1 that helps support your dog's nervous system function, energy metabolism, and overall health.

  25. Vitamin B12 Supplement is an essential vitamin that helps support brain function and the formation of red blood cells.

  26. Riboflavin supplement is a source of Vitamin B2, which is crucial for your dog's energy production, cell function, and overall growth and development.

  27. Vitamin D3 supplement is an essential vitamin that supports bone health, immune function, and overall well-being in dogs. It helps regulate calcium and phosphorus balance in the body, promoting strong and healthy bones.

  28. Folic acid is a crucial B-vitamin that aids in the synthesis of DNA and supports healthy cell growth. It's essential for maintaining your dog's overall health, particularly during periods of rapid growth.

  29. L-lysine is an essential amino acid that helps support a healthy immune system and aids in the production of enzymes and antibodies.

  30. Zinc proteinate is a highly absorbable form of zinc. It helps support a healthy immune system, skin, and coat in dogs.

  31. Zinc Oxide is a source of zinc, an essential mineral that supports immune function and skin health in dogs.

  32. Ferrous sulfate is an important source of iron for dogs, a mineral essential for red blood cell production, oxygen transportation, and overall vitality. Adequate iron intake supports your dog's immune system and energy levels.

  33. Manganese Proteinate is a chelated form of manganese, a mineral that supports bone health, metabolism and enzymatic reactions.

  34. Manganous oxide is an important trace mineral that helps support your dog's metabolism, bone formation, and nerve function.

  35. Copper sulfate is an essential trace mineral that supports various bodily functions in dogs, including immune system health, skin and coat maintenance, and red blood cell production.

  36. Calcium iodate is a source of iodine, an essential trace mineral that supports your dog's thyroid function and overall metabolism. It helps maintain proper hormone production and is crucial for overall health and well-being.

  37. Sodium selenite is a form of selenium, a necessary trace mineral that supports immune function and thyroid health in dogs.

  38. Copper Proteinate is a chelated form of copper that's easier for dogs to absorb, aiding in red blood cell formation and iron absorption.

  39. Magnesium oxide is a source of magnesium, which is necessary for many processes in your dog's body, including muscle function and nerve transmission.

  40. Rosemary extract is a natural antioxidant that can help protect your dog's body from the harmful effects of free radicals. It also has anti-inflammatory properties, which can support your dog's overall health and well-being, particularly in regard to joint health.

  41. Mixed tocopherols are natural antioxidants used to preserve the freshness of dog food, ensuring your pet receives the highest quality nutrients possible.

  42. Citric acid is a natural preservative that helps maintain the freshness and quality of dog food. It also acts as an antioxidant, which can help protect your dog's cells from damage caused by free radicals.

Review of Guaranteed Analysis

The guaranteed analysis values of Royal Canin Size Health Nutrition Medium Adult are related to the ingredients listed in the product.

1. Crude Protein (min) of 23.00%: This value represents the minimum percentage of protein in the pet food. The primary sources of protein in this food are chicken by-product meal and corn gluten meal. The chicken by-product meal is made up of the parts of the chicken that are not typically consumed by humans, including the neck, feet, undeveloped eggs, and intestines. Corn gluten meal is a by-product of the corn milling process and is a high-protein ingredient.

2. Crude Fat (min) of 12.00%: This is the minimum amount of fat in the pet food. The main sources of fat in this pet food are chicken fat and fish oil. Chicken fat is a high-quality source of essential fatty acids, while fish oil provides omega-3 fatty acids, which are beneficial for heart health and skin and coat condition.

3. Crude Fiber (max) of 3.20%: This is the maximum amount of fiber in the pet food. The primary sources of fiber in this food are brewers rice, oat groats, wheat, and dried plain beet pulp. Brewers rice is a processed rice product that has had the husk, bran, and germ removed. Oat groats are the whole oat kernel with the hull removed. Wheat is a common grain that provides dietary fiber. Beet pulp is a by-product of the sugar beet industry and is a good source of fiber.

4. Calories of 3616.00 per kg: This is the amount of energy provided by the pet food. All the ingredients contribute to the caloric content of the food, but the main contributors are likely the protein and fat sources (chicken by-product meal, corn gluten meal, chicken fat, and fish oil), as well as the carbohydrate sources (brewers rice, oat groats, and wheat).

The remaining ingredients, including various vitamins, minerals, and other supplements, contribute to the overall nutritional balance of the food but do not directly relate to the guaranteed analysis values.

Review of Affordability

According to our data, Royal Canin Size Health Nutrition Medium Adult costs approximately $3.42 per pound. The following table provides our estimate of the monthly cost to feed this recipe exclusively as your dog.

Adult WeightAdult

Estimates are based on average prices and caloric requirements.

Summary of Customer Reviews

Many customers have reported that their dogs love the taste of Royal Canin Size Health Nutrition Medium Adult dog food, with some even gobbling it up eagerly at meal times. The food is also reported to be beneficial for the dogs' health, with some owners noticing improvements in their dogs' coat condition, energy levels, and digestion.

Some customers, however, have found that their dogs are not interested in this food, with a few dogs even skipping meals or refusing to eat it. There are also reports of the food causing digestive issues in some dogs, including severe diarrhea.

While the food has been recommended by vets and is loved by many dogs, it appears to be quite expensive. Some customers have also complained about the size of the kibble, finding it too large for their medium-sized dogs.

A few customers have mentioned that their dogs had a smooth transition from Royal Canin puppy food to this adult food, and that their dogs are always excited for mealtime. However, some dogs have reportedly become sick after eating this food, with symptoms including vomiting and diarrhea.

Despite the higher price, many customers feel that the food is worth it due to its nutritional value and the positive effects it has on their dogs' health. Some have noticed their dogs have more energy and cleaner teeth after switching to this food.

While the food is well-loved by many dogs and has helped some with digestive issues, there are reports of dogs developing rashes after switching to this food. Some customers have also been disappointed with the size of the kibble, finding it too large for their dogs.

Some customers have praised Royal Canin for its high-quality ingredients and nutritional value, stating that their dogs' fur is softer and they produce less gas after switching to this food. However, others have expressed concerns about the price increases over time.

Despite some negative reviews, many customers have found that their dogs love this food and benefit from its nutritional value. They appreciate that it keeps their dogs' weight in check and promotes a shiny coat. Some even use it as a training reward due to their dogs' love for it.

There are also reports of dogs with sensitive stomachs being able to handle this food well, with some customers stating that their dogs have not had any gastrointestinal issues since starting on this food. Some customers have also found that their dogs, who were previously picky eaters, enjoy this food the most out of all the brands they have tried.

Despite some negative reviews, many customers are happy with this product and would recommend it. They appreciate the nutritional value it provides and the positive effects it has on their dogs' health. However, some customers have had issues with the size of the kibble and the price of the product.