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Hill’s Pet Nutrition Dog Food Review

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Dr. Mark Morris developed Hill’s dog food in the 1930s to feed a seeing eye dog with health issues. In 1948, the Hill Packing Company in Topeka, Kansas, began canning the food for the company. Eventually, they got the license to produce Morris pet food. The partnership evolved into Hill’s Pet Nutrition. A research lab was set up in 1951 in Topeka, Kansas. The company head office remains there to this day. In 1968, Hill’s began offering the foods through veterinary clinics. 

In 1976, the Colgate-Palmolive Company purchased Hill’s Pet Nutrition. Today, the company produces 50 pet food formulations, available in 86 countries. Hill’s Pet Nutrition had sales of $3.71 billion in 2022.

For our Hill’s Science Diet dog food review, we’ll look at the food ingredient quality and safety of each line of food. Our dog food reviews are based on these criteria.

Is Hill’s Pet Nutrition A Good Dog Food?

Hill’s Pet Nutrition offers 11 lines of dog food. This includes 7 lines of dry dog food with 73 recipes and 4 lines of canned dog food with 61 recipes. The dry dog foods have low ingredient quality and safety ratings, making them very high risk. The canned dog foods have slightly better scores but are still considered high risk.

Hill’s labels its diets as “vet-recommended.” Their website discusses nutrition based on biology. It covers many life stages and health conditions. Hill’s Prescription Diet is available by veterinary prescription. It targets specific health conditions as defined by Hill’s. Hill’s Science Diet focuses on nutrition for specific issues. The company created Healthy Advantage to address 5 common health concerns.

The FDA practices “enforcement discretion.” It has not reviewed or verified the health claims on veterinary diets. There’s a different approach to non-prescription pet store dog food. They might have a health claim such as weight management or joint support. That means they are subject to FDA regulations and enforcement. Not all veterinary brands meet AAFCO standards. There’s concern about long-term use. It’s due to potential lack of enough nutrition. This is despite the intention to manage disease.

High Carbohydrates In Hill’s Recipes

Hill’s Pet Nutrition has excessively high carbohydrate levels in all its dog foods. This applies to both its dry and canned lines. Where’s why carbohydrates are a problem:

  • Carbs are a low cost ingredient and take the place of better ingredients.
  • Dogs do not need carbs in their diet. 
  • A high-carb diet can harm gut bacteria. 
  • Carbohydrates can cause health issues like obesity.

Most of Hill’s recipes use a technique called ingredient splitting. It manipulates the list to move certain ingredients up or down. This makes it appear that proteins are higher on the list. There are high levels of carbs in all recipes. They are from starchy ingredients like soybean, oats, pea fiber, wheat, and sorghum.

Additionally, Hill’s dog foods lack whole foods like fruits and vegetables. The main ingredients are grains with some proteins and meat meals. Sugar, plant proteins, cellulose and other fibers follow. A substantial list of synthetic vitamins, minerals and amino acids completes the list. They’re needed to balance these foods to nutritional standards. Fruits and vegetables would provide key nutrients and antioxidants. They would also eliminate added synthetics. These are more bioavailable and easier for dogs to digest.

Additionally, Hill’s dog foods lack whole foods like fruits and vegetables. Here are the concerns:

  • The main ingredients are grains that add calories with limited nutrients.
  • Ingredients include sugar that is a high calorie additive without nutrients
  • There are low quality plant proteins, cellulose and other fibers from industry waste.
  • Recipes include a substantial list of synthetic vitamins, minerals and amino acids 
  • Synthetics are needed to balance these foods to nutritional standards. 

Here are the benefits of whole food ingredients in dog food:

  • Fruits and vegetables would provide key nutrients and antioxidants. 
  • They would eliminate added synthetics. 
  • They provide a full spectrum of cofactors, which makes them safe and bioavailable.
  • They’re easier for dogs to digest and metabolize.
  • Whole foods provide natural fiber that is fermented by gut bacteria which supports gut health.

Hill’s dog food recipes have similar ingredients. They are mainly grains that are high-herbicide and GMO crops. These are alongside processed seed oils and chicken. These ingredients can cause inflammation and allergies in some dogs. It’s notable that many of these diets were formulated to address these issues.

Additionally, they contain added color and natural flavor. They have fish oil from unknown sources. They have questionable ingredients like rice and coconut oil. Detailed sourcing information of their ingredients is not available on their website.

Finally, Hill’s dog foods are heavily processed. The manufacturers heat the ingredients in dry and canned dog foods several times. This can cause a significant loss of enzymes, vitamins, amino acids, and phytonutrients.

Hill’s makes its foods in their own facilities in Topeka, Kansas.

Let’s take a brief look at each line.

Hill’s Prescription Diet Wet Dog Foods

Score: 3/10

Ingredient List For Metabolic Canine Vegetable & Beef Stew Recipe: Water, pork liver, carrots, green peas, beef, powdered cellulose, rice, corn starch, wheat gluten, dried tomato pomace, flaxseed, chicken liver flavor, coconut oil, potassium alginate, whole grain barley, calcium chloride, egg flavor, calcium lactate, caramel color, fish oil, dicalcium phosphate, guar gum, lipoic acid, sodium tripolyphosphate, vitamins (vitamin E supplement, thiamine mononitrate, ascorbic acid (source of vitamin C), niacin supplement, pyridoxine hydrochloride, menadione sodium bisulfite complex (source of vitamin K), calcium pantothenate, vitamin B12 supplement, riboflavin supplement, biotin, folic acid, vitamin D3 supplement), potassium citrate, L-lysine, iodized salt, taurine, minerals (zinc oxide, ferrous sulfate, manganese sulfate, copper sulfate, calcium iodate), L-carnitine, beta-carotene

Hill’s Prescription Diet Canned is a high risk dog food. It’s based on the criteria of dogfoodreviews.com. There are 32 recipes with 22% protein and 54% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil and cellulose. They have plant protein and unnamed animal protein. Recipes have dextrose, which is sugar. On the ingredient safety side, these foods are highly-processed. They use high heat that destroys nutrients. They have high pesticide food and GMOs in the top 5 ingredients. They have rice that can contain arsenic, and added color. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Wet Benefits

  • Made inhouse

Wet Concerns

  • High in carbohydrates 
  • Added sugar  
  • Excessive added vitamins & minerals
  • Added amino acids
  • Seed oil 
  • Highly processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Contains rice
  • Color/dye
  • Natural flavor
  • Menadione
  • Does not provide omega-6:omega-3 ratio
  • Ingredient splitting
  • Doesn’t specify farmed vs wild-caught fish

View The Entire Review on Dog Food Reviews

Hill’s Prescription Diet Dry Dog Foods

Score: 1.6/10

Ingredient List For I/D Chicken Flavor Recipe: Brewers rice, whole grain corn, chicken meal, pea protein, egg product, corn gluten meal, chicken fat, chicken liver flavor, pork liver flavor, ground pecan shells, lactic acid, potassium chloride, flaxseed, dried beet pulp, dried citrus pulp, iodized salt, soybean oil, dicalcium phosphate, pressed cranberries, calcium carbonate, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), niacin supplement, thiamine mononitrate, vitamin A supplement, calcium pantothenate, riboflavin supplement, biotin, vitamin B12 supplement, pyridoxine hydrochloride, folic acid, vitamin D3 supplement), choline chloride, L-tryptophan, minerals (ferrous sulfate, zinc oxide, copper sulfate, manganous oxide, calcium iodate, sodium selenite), taurine, mixed tocopherols for freshness, natural flavors, beta-carotene

Hill’s Prescription Diet Dry is a very high risk dog food based on the criteria of dogfoodreviews.com. There are 27 recipes with 21% protein and 52% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil, plant proteins and unnamed animal protein. There is dextrose, which is a sugar, and cellulose. On the ingredient safety side, these foods are ultra-processed. They use high heat that destroys nutrients. They have high pesticide foods and GMO crops listed in their top 5 ingredients. They also include natural flavor. They use rice that can contain arsenic. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Dry Benefits

  • Made inhouse

Dry Concerns

  • High in carbohydrates  
  • Excessive added vitamins & minerals
  • Added amino acids
  • Plant protein
  • Cellulose
  • Seed oil 
  • Sugar
  • Unnamed protein 
  • Ultra processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Natural flavor
  • Contains rice
  • Does not provide omega-6:omega-3 ratio
  • Doesn’t specify farmed or wild-caught fish
  • Ingredient splitting
  • Coconut oil

View The Entire Review on Dog Food Reviews

Hill’s Science Diet Digestive Care

Score: 1.5/10

Ingredient List For 7+ Perfect Digestion Small Bites Chicken, Whole Oats & Brown Rice Recipe: Chicken, cracked pearled barley, whole grain oats, brown rice, brewers rice, whole grain corn, corn gluten meal, chicken meal, chicken fat, chicken liver flavor, pork liver flavor, soybean oil, ground pecan shells, lactic acid, potassium chloride, flaxseed, dried beet pulp, calcium carbonate, dried citrus pulp, iodized salt, dicalcium phosphate, choline chloride, pressed cranberries, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), niacin supplement, thiamine mononitrate, vitamin A supplement, calcium pantothenate, riboflavin supplement, biotin, vitamin B12 supplement, pyridoxine hydrochloride, folic acid, vitamin D3 supplement), pumpkin, fish oil, Dl-methionine, minerals (ferrous sulfate, zinc oxide, copper sulfate, manganous oxide, calcium iodate, sodium selenite), taurine, mixed tocopherols for freshness, natural flavors, L-carnitine, beta-carotene

Hill’s Science Diet Digestive Care is a very high risk dog food based on the criteria of dogfoodreviews.com. There are 19 recipes with 24% protein and 50% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil, plant proteins and unnamed animal protein. On the ingredient safety side, these foods are ultra-processed. They use high heat that destroys nutrients. They have high pesticide foods and GMO crops listed in their top 5 ingredients. They also include natural flavor. They use rice that can contain arsenic. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Digestive Care Benefits

  • Made inhouse

Digestive Care Concerns

  • High in carbohydrates 
  • Excessive added vitamins & minerals
  • Added amino acids
  • Plant protein
  • Seed oil  
  • Unnamed protein  
  • Ultra processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Contains rice
  • Natural flavor
  • Glam ingredients in some recipes 
  • Does not provide omega-6:omega-3 ratio
  • Doesn’t specify farmed or wild-caught fish
  • Ingredient splitting

View The Entire Review on Dog Food Reviews

Hill’s Science Diet Stew Cans

Score: 3.2/10

Ingredient List For Senior Vitality Small & Mini Chicken & Vegetable Stew: Chicken broth, chicken, pork liver, rice, carrots, rice starch, green peas, dextrose, egg product, sugar, soybean oil, chicken liver flavor, hydrolyzed chicken liver, potassium alginate, calcium chloride, powdered cellulose, flaxseed, choline chloride, fish oil, guar gum, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), thiamine mononitrate, niacin supplement, calcium pantothenate, vitamin B12 supplement, pyridoxine hydrochloride, biotin, riboflavin supplement, vitamin D3 supplement, folic acid), dried tomato pomace, dried citrus pulp, spinach, monosodium phosphate, dicalcium phosphate, calcium lactate, calcium gluconate, lipoic acid, sodium tripolyphosphate, magnesium oxide, taurine, minerals (ferrous sulfate, zinc oxide, copper sulfate, manganese sulfate, calcium iodate), L-carnitine, natural flavors

Hill’s Science Diet Stew Cans is a high risk dog food based on the criteria of dogfoodreviews.com. There are 14 recipes with 26% protein and 52% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil, plant proteins and unnamed animal protein. They have cellulose, which is industry waste. Recipes have dextrose, which is sugar. On the ingredient safety side, these foods are highly-processed. They use high heat that destroys nutrients. They have high pesticide foods and GMO crops listed in their top 5 ingredients. They also include natural flavor, and rice that can contain arsenic. Other concerns are menadione and added color. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Stew Cans Benefits

  • Made inhouse

Stew Cans Concerns

  • High in carbohydrates 
  • Added sugar  
  • Excessive added vitamins & minerals
  • Added amino acids
  • Plant protein
  • Cellulose
  • Seed oil – soybean
  • Unnamed protein  
  • Highly processed
  • Natural flavor
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Natural flavor
  • Menadione
  • Contains rice
  • Color/dye
  • Does not provide omega-6:omega-3 ratio
  • Doesn’t specify farmed or wild-caught fish
  • Coconut oil
  • Ingredient splitting

View The Entire Review on Dog Food Reviews

Hill’s Science Diet Canned Foods

Score: 3.1/10

Ingredient List For Adult Chicken & Beef Entrée Recipe: Water, chicken, beef, beef by-products, pork liver, rice, cracked pearled barley, whole grain corn, corn gluten meal, chicken liver flavor, soybean oil, calcium carbonate, dicalcium phosphate, potassium chloride, choline chloride, iodized salt, vitamins (vitamin E supplement, thiamine mononitrate, ascorbic acid (source of vitamin C), niacin supplement, calcium pantothenate, vitamin B12 supplement, pyridoxine hydrochloride, biotin, vitamin D3 supplement, riboflavin supplement, folic acid), L-lysine, minerals (zinc oxide, ferrous sulfate, manganese sulfate, copper sulfate, calcium iodate), beta-carotene

Hill’s Science Diet Canned Foods is a high risk dog food based on the criteria of dogfoodreviews.com.. There are 13 recipes with 25% protein and 52% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes include inflammatory seed oil, plant proteins, cellulose and unnamed animal protein. On the ingredient safety side, these foods are highly-processed. They use high heat that destroys nutrients. They have high pesticide foods and GMO crops listed in their top 5 ingredients. They also include natural flavor. They use rice that can contain arsenic. Other concerns are carrageenan, menadione and added color. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Canned Foods Benefits

  • Made inhouse

Canned Foods Concerns

  • High in carbohydrates 
  • Excessive added vitamins & minerals
  • Added amino acids
  • Plant protein
  • Cellulose
  • Seed oil 
  • Unnamed protein  
  • Highly processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Carrageenan
  • Menadione
  • Natural flavor
  • Contains rice
  • Color/dye
  • Does not provide omega-6:omega-3 ratio
  • Doesn’t specify farmed or wild-caught fish
  • Coconut oil
  • Ingredient splitting

View The Entire Review on Dog Food Reviews

Hill’s Science Diet Dry Weight Control

Score: 1.9/10

Ingredient List For Adult Light Small Paws Recipe: Chicken meal, cracked pearled barley, pea fiber, whole grain wheat, whole grain corn, corn gluten meal, whole grain sorghum, powdered cellulose, chicken liver flavor, soybean oil, dried beet pulp flaxseed, lactic acid, pork flavor, potassium chloride, L-lysine, iodized salt, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), niacin supplement, thiamine mononitrate, vitamin a supplement, calcium pantothenate, riboflavin supplement, biotin, vitamin B12 supplement, pyridoxine hydrochloride, folic acid, vitamin D3 supplement), choline chloride, calcium carbonate, minerals (ferrous sulfate, zinc oxide, copper sulfate, manganous oxide, calcium iodate, sodium selenite), taurine, oat fiber, mixed tocopherols for freshness, L-carnitine, natural flavors, beta-carotene, apples, broccoli, carrots, cranberries, green peas

Hill’s Science Diet Dry Weight Control is a very high risk dog food. This is based on the criteria of dogfoodreviews.com. There are 7 recipes with 27% protein and 45% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil, plant proteins and unnamed animal protein. On the ingredient safety side, these foods are ultra-processed. They use high heat that destroys nutrients. They have high pesticide foods and GMO crops listed in their top 5 ingredients. They also include natural flavor. They use rice that can contain arsenic. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Dry Weight Control Benefits

  • Made inhouse

Dry Weight Control Concerns

  • High in carbohydrates 
  • Excessive added vitamins & minerals
  • Added amino acids
  • Plant protein
  • Cellulose
  • Seed oil  
  • Unnamed protein
  • Ultra processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Contains rice
  • Natural flavor
  • Glam ingredients
  • Does not provide omega-6:omega-3 ratio
  • Unsubstantiated marketing terms
  • Ingredient splitting

View The Entire Review on Dog Food Reviews

Hill’s Healthy Advantage Dry Dog Food Review

Score: 1.9/10

Ingredient List For Chicken & Vegetable Entree Puppy Recipe: Chicken, brown rice, soybean meal, whole grain wheat, chicken meal, pork fat, egg product, flaxseed, dried beet pulp, chicken liver flavor, cracked pearled barley, whole grain oats, fish oil, lactic acid, soybean oil, dicalcium phosphate, iodized salt, green peas, apples, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), niacin supplement, thiamine mononitrate, vitamin A supplement, calcium pantothenate, vitamin B12 supplement, pyridoxine hydrochloride, riboflavin supplement, biotin, folic acid, vitamin D3 supplement), cranberries, choline chloride, carrots, potassium chloride, minerals (ferrous sulfate, zinc oxide, copper sulfate, manganous oxide, calcium iodate, sodium selenite), broccoli, DL-methionine, L-tryptophan, taurine, L-threonine, mixed tocopherols for freshness, natural flavors, beta-carotene

Hill’s Healthy Advantage Dry is a very high risk dog food based on the criteria of dogfoodreviews.com. There are 6 recipes with 25% protein and 48% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil, plant proteins and unnamed animal protein. On the ingredient safety side, these foods are ultra-processed. They use high heat that destroys nutrients. They have high pesticide foods and GMO crops listed in their top 5 ingredients. They also include natural flavor. They use rice that can contain arsenic. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Dry Benefits

  • Made inhouse

Dry Concerns

  • High in carbohydrates  
  • Excessive added vitamins & minerals
  • Added amino acids
  • Plant protein
  • Seed oil 
  • Cellulose
  • Ultra processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Contains rice
  • Natural flavor
  • Glam in some  
  • Does not provide omega-6:omega-3 ratio
  • Ingredient splitting

View The Entire Review on Dog Food Reviews

Hill’s Science Diet Dry Aging

Score: 1.2/10

Ingredient List For Chicken Meal, Barley & Rice Recipe: 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 flavor, soybean oil, lactic acid, flaxseed, potassium chloride, calcium carbonate, iodized salt, choline chloride, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), niacin supplement, thiamine mononitrate, vitamin A supplement, calcium pantothenate, riboflavin supplement, biotin, vitamin B12 supplement, pyridoxine hydrochloride, folic acid, vitamin D3 supplement), L-lysine, minerals (ferrous sulfate, zinc oxide, copper sulfate, manganous oxide, calcium iodate, sodium selenite), taurine, DL-methionine, oat fiber, mixed tocopherols for freshness, natural flavors, L-carnitine, beta-carotene, apples, broccoli, carrots, cranberries, green peas

Hill’s Science Diet Dry Aging  is a very high risk dog food based on the criteria of dogfoodreviews.com. There are 9 recipes that average 21% protein and 55% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil, plant proteins and unnamed animal protein. On the ingredient safety side, these foods are ultra-processed. They use high heat that destroys nutrients. They have high pesticide foods and GMO crops listed in their top 5 ingredients. They also include natural flavor. They use rice that can contain arsenic. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Dry Aging Benefits

  • Made inhouse

Dry Aging Concerns

  • ​​High in carbohydrates  
  • Excessive added vitamins & minerals
  • Added amino acids
  • Seed oil
  • Plant protein
  • Unnamed protein
  • Ultra processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Contains rice
  • Natural flavor
  • Glam ingredients
  • Ingredient splitting
  • Does not provide omega-6:omega-3 ratio
  • Doesn’t specify farmed or wild-caught fish

View The Entire Review on Dog Food Reviews

Hill’s Science Diet Dry Mobility

Score: 1.6/10

Ingredient List For Adult Healthy Mobility Large Breed Recipe: Chicken meal, brewers rice, whole grain sorghum, brown rice, whole grain wheat, cracked pearled barley, soybean meal, dried beet pulp, chicken fat, chicken liver flavor, soybean oil, corn gluten meal, fish oil, flaxseed, lactic acid, pork liver flavor, potassium chloride, choline chloride, DL-methionine, iodized salt, calcium carbonate, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), niacin supplement, thiamine mononitrate, vitamin A supplement, calcium pantothenate, riboflavin supplement, biotin, vitamin B12 supplement, pyridoxine hydrochloride, folic acid, vitamin D3 supplement), minerals (ferrous sulfate, zinc oxide, copper sulfate, manganous oxide, calcium iodate, sodium selenite), taurine, L-lysine, oat fiber, mixed tocopherols for freshness, natural flavors, L-carnitine, beta-carotene, apples, broccoli, carrots, cranberries, green peas

Hill’s Science Diet Dry Mobility is a very high risk dog food based on the criteria of dogfoodreviews.com. There are 4 recipes with 24% protein and 51% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil, plant proteins and unnamed animal protein. On the ingredient safety side, these foods are ultra-processed. They use high heat that destroys nutrients. They have high pesticide foods and GMO crops listed in their top 5 ingredients. They also include natural flavor. They use rice that can contain arsenic. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Dry Mobility Benefits

  • Made inhouse

Dry Mobility Concerns

  • High in carbohydrates  
  • Excessive added vitamins & minerals
  • Added amino acids
  • Plant protein
  • Seed oil 
  • Unnamed protein 
  • Ultra processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Contains rice
  • Glam in some  
  • Does not provide omega-6:omega-3 ratio
  • Doesn’t specify farmed or wild-caught fish
  • Ingredient splitting

View The Entire Review on Dog Food Reviews

Healthy Advantage Canned Dog Food Review

Score: 3/10

Ingredient List For Chicken & Vegetable Entree Puppy Recipe: Chicken broth, chicken, pork liver, wheat flour, carrots, rice starch, potato starch, dried beet pulp, pork plasma, white rice, potatoes, dextrose, green peas, chicken liver flavor, tricalcium phosphate, spinach, flaxseed, soybean oil, calcium carbonate, potassium chloride, guar gum, salmon oil, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), thiamine mononitrate, niacin supplement, calcium pantothenate, vitamin B12 supplement, pyridoxine hydrochloride, biotin, vitamin D3 supplement, riboflavin supplement, folic acid), titanium dioxide color, choline chloride, sodium pyrophosphate, disodium phosphate, sodium hexametaphosphate, minerals (ferrous sulfate, zinc oxide, copper proteinate, manganese sulfate, potassium iodide), L-lysine, taurine, caramel color

Hill’s Healthy Advantage Canned is a high risk dog food. We base it on the criteria of dogfoodreviews.com. There are 2 recipes with 32% protein and 50% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil. Recipes have dextrose, which is sugar. On the ingredient safety side, these foods are highly-processed. They use high heat that destroys nutrients. They have high pesticide foods in the top 5 ingredients plus GMOs like potatoes. They have rice that can contain arsenic, and added color. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Canned Benefits

  • Made inhouse

Canned Concerns

  • High in carbohydrates 
  • Added sugar  
  • Excessive added vitamins & minerals
  • Added amino acids
  • Seed oil – soybean
  • Highly processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs
  • Contains rice
  • Color/dye
  • Does not provide omega-6:omega-3 ratio
  • Ingredient splitting

View The Entire Review on Dog Food Reviews

Hill’s Science Diet Oral Care

Score: 1.5/10

Ingredient List For Adult Oral Care Recipe: Chicken, whole grain wheat, powdered cellulose, brown rice, whole grain corn, corn gluten meal, chicken fat, cracked pearled barley, chicken meal, whole grain sorghum, wheat gluten, chicken liver flavor, soybean mill run, pork liver flavor, soybean oil, lactic acid, fish oil, potassium chloride, calcium carbonate, iodized salt, choline chloride, vitamins (vitamin E supplement, L-ascorbyl-2-polyphosphate (source of vitamin C), niacin supplement, thiamine mononitrate, vitamin A supplement, calcium pantothenate, riboflavin supplement, biotin, vitamin B12 supplement, pyridoxine hydrochloride, folic acid, vitamin D3 supplement), dicalcium phosphate, minerals (ferrous sulfate, zinc oxide, copper sulfate, manganous oxide, calcium iodate, sodium selenite), taurine, oat fiber, mixed tocopherols for freshness, natural flavors, beta-carotene, apples, broccoli, carrots, cranberries, green peas

Hill’s Science Diet Oral Care  is a very high risk dog food based on the criteria of dogfoodreviews.com. There is 1 recipe with 25% protein and 42% carbohydrate as calculated. These recipes rank low in ingredient quality for the high carbohydrates. They have excessive added vitamins and minerals, and added amino acids. The recipes also include inflammatory seed oil, plant proteins and unnamed animal protein. They also have cellulose, an industrial waste product. On the ingredient safety side, this recipe is ultra-processed. It uses high heat that destroys nutrients. There are high pesticide foods and GMO crops listed in the top 5 ingredients. There is also natural flavor. There is rice that can contain arsenic. Hill’s doesn’t provide the omega-6:omega-3 ratio. This is a concern since AAFCO allows a very inflammatory ratio of 30:1.

Oral Care Benefits

  • Made inhouse

Oral Care Concerns

  • High in carbohydrates 
  • Excessive added vitamins & minerals
  • Added amino acids
  • Cellulose
  • Plant protein.
  • Seed oil 
  • Unnamed protein 
  • Ultra processed
  • High pesticide/herbicide foods in top 5 ingredients
  • GMOs in top 5 ingredients
  • Contains rice
  • Natural flavor
  • Glam ingredients
  • Does not provide omega-6:omega-3 ratio
  • Doesn’t specify farmed or wild-caught fish
  • Ingredient splitting
  • Glam ingredients

View The Entire Review on Dog Food Reviews

HILL’S SCIENCE DIET DOG FOOD RECALLS

Hill’s has had a number of recalls and a recent lawsuit.

02/06/2024: Class action lawsuit in Kansas. It states Hills falsely represented the character or quality of its product or that of its competitors.

10/05/2023: Class action lawsuit in Illinois. It stated Hill’s prescription diet was not legally obligated to be sold with a prescription. They added it did not have FDA approval as an animal drug.

01/31/2019: Voluntary recall of 19 of Hill’s Prescription Diet canned dog food. There was potential elevated Vitamin D. 

03/20/2019: Voluntary recall of 9 additional products of Hill’s Prescription Diet canned dog food. There was potential elevated Vitamin D. 

05/21/2019: Voluntary recall of additional products of Hill’s Prescription Diet canned dog food. There was potential elevated Vitamin D. 

11/28/2015: Voluntary withdrawal of select Hill’s Science Diet canned dog food. No reason provided.

06/02/2014: Voluntary recall of Hill’s Science Diet Adult Small and Toy Breed dry dog food. There was potential for Salmonella contamination.

Evaluation Criteria

We evaluate and score dog foods based on two criteria:

Are the Ingredients High Quality?

Here are some common low-quality ingredients or markers we look for:

  • Is there excessive carbohydrate content, which can cause gut imbalances?
  • Does the food contain unnamed proteins, which are low quality?
  • Does the food use cellulose (wood pulp) as a source of fiber instead of real food?
  • Are there excessive vitamins and minerals added in place of real food nutrition?
  • Are there excessive added amino acids or plant proteins instead of expensive meat protein?
  • Does the food contain inflammatory processed seed oils?

How Safe Are the Ingredients?

Many ingredients come from unhealthy, inflammatory sources or are full of pesticides so we look for:

  • How processed is the food?
  • Does the food contain known genetically modified foods?
  • Does the food contain ingredients known to be high in pesticides?
  • Does the food contain natural flavor, which are often MSG or animal digest?
  • Does the food contain rice, which is high in arsenic?

Each food is objectively evaluated by these criteria and a score is assigned using the average of ingredient quality and safety. This is NOT a paid list and there are no affiliate links. Dogs Naturally has partnered with DogFoodReviews.com to make sure dog owners have unbiased, objective criteria to help them choose the best dog food on the market. You can view the full Evaluation Criteria at DogFoodReviews.com.

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