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Best for Health-Conscious Owners

Hill's Science Diet

Science Diet is the veterinary community's most-cited recommendation for dogs with health conditions. Formulated with clinical nutrition research and one of the original WSAVA-compliant brands.

$55-$95
Pros
  • One of five WSAVA-compliant brands in the US with peer-reviewed research
  • Strong prescription diet line for dogs with kidney, liver, or digestive issues
  • Widely trusted and recommended by veterinarians across the country
  • Available in most vet offices and major pet retail chains
Cons
  • Standard formulas use less premium ingredients than the price suggests
  • Some dogs find the taste less appealing compared to Purina Pro Plan
  • Pricier than comparable non-prescription options
Why we recommend it

Hill's is the food vets reach for first when a dog has a health issue — the prescription line is unmatched, and even the standard kibble has decades of clinical research behind it.

Reddit user

There's 5 brands in the United States that meet WSAVA guidelines: Purina, Hills Science Diet, Royal Canin, Iams, and Eukanuba.