Hill's Pet Nutrition, Inc., marketed simply as "Hill's", is an American pet food company that produces dog and cat foods. The company is a subsidiary of Colgate-Palmolive.

Some dogs may experience gastrointestinal disturbances such as diarrhea, vomiting, or flatulence when transitioning to a new food, including Hill's Metabolic dog food. This can be due to a change in diet or ingredients.

It's likely you've seen Hill's Science Diet available for purchase at your vet's office, and that's because this brand has a long-standing reputation for following the highest standards in nutrition and quality control set by the AAFCO and WSAVA.

Hill's Prescription Diet Prescription Diet brand pet foods are formulated to address specific medical conditions that can develop in pets. Prescription Diet foods are available through your pet's veterinarian.

Most pet foods are very poor quality. It doesn't take much to offer a pet food marginally better. Vets see an improvement in pet health when they are transitioned to Hill's Science or Prescription Diet products, very likely for this reason.

As a leader in cutting edge food science and research, Hill's is honored to be the US #1 Veterinarian Recommended brand. If you are not satisfied with this product purchased from your authorized retailer, return the unused portion to them for a full refund or replacement.

On January 31, 2019, Hill's Pet Nutrition notified the FDA about a report of vitamin D toxicity in a dog that ate a canned Hill's dog food and initiated a recall of 25 products.

8 best dog food brands to consider for a healthy and balanced diet in 2023

• Best overall dry dog food: Royal Canin.
• Best subscription dog food: The Farmer's Dog.
• Best dog food for puppies: Hill's Science Diet.
• Best dog food for large breeds: Purina.
• Best frozen dog food: Just Food For Dogs.

It doesn't take much to offer a pet food marginally better. Vets see an improvement in pet health when they are transitioned to Hill's Science or Prescription Diet products, very likely for this reason.

Plus, the formula contains antioxidants along with vitamins E and C to support your puppy's developing immune system.

• Hill's Science Diet Puppy Dry Dog Food.
• Royal Canin Size Health Nutrition Small Adult Formula Dog Dry Food.
• Wellness Complete Large Breed Puppy.
• Merrick Healthy Grains Large Breed.

Some of their products contain by-products and other questionable ingredients like cellulose (most often derived from cotton or wood pulp), food coloring, and fillers with little nutritional value, like soybean meal run.

• Royal Canin Small Breed Adult Dry Dog Food.
• The Farmer's Dog Subscription Dog Food.
• Hill's Science Diet Puppy Small Bites Dry Dog Food.
• Purina Pro Plan Adult Large Dry Dog Food.
• Just Food For Dogs Fish & Sweet Potato.
• Purina Pro Plan Adult Sensitive Skin & Stomach Dry Dog Food.

Our top picks

• Best for small-breed puppies: Hill's Science Diet Puppy.
• Best for adult small breeds: Royal Canin Small Breed Adult Dry Dog Food.
• Best for large-breed puppies: Wellness Complete Large Breed Puppy.
• Best for adult large breeds: Merrick Healthy Grains Large Breed.
• Best for weight management: Purina ONE + Plus.

Best Healthy Dog Foods

• Open Farm Ancient Grains Dry Dog Food.
• Canidae Pure Real Salmon & Sweet Potato Recipe Adult Dry Dog.
• Merrick Classic Healthy Grains Dry Dog Food.
• 360 Pet Nutrition Freeze Dried Raw Complete Meal for Adult Dogs.
• Health Extension Little Bites Dry Dog Food.
• EARTH ANIMAL Wisdom Air Dried Dog Food.

Onions and Garlic Allium vegetables, namely onions, garlic, chives, shallots, and leeks, are a definite no-no for dogs and cats. A small amount of any form (raw, cooked, powdered, minced, dehydrated) of these vegetables may destroy red blood cells, which can lead to anemia.

• Best Dry Dog Food Overall: Open Farm.
• Best Grain-Free Dry Dog Food: Merrick Limited Ingredient.
• Best Dry Dog Food With Healthy Grains: Merrick Healthy Grains.
• Best Freeze-Dried Dog Food: Stella & Chewy's Super Beef Patties.
• Best Raw-Coated Dry Dog Food: Stella & Chewy's Raw-Coated Kibble.