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Tuna

817 foods contain this ingredient

Protein Fish allergen group

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About Tuna

Tuna is an oily saltwater fish added to pet foods and treats mainly for its strong palatability and omega-3 content.

Tuna is commonly used in pet foods as a highly palatable animal protein and flavor enhancer, providing readily digestible protein and omega‑3 fatty acids (EPA/DHA) along with B vitamins for both dogs and cats. While nutritionally beneficial, tuna can be high in mercury or sodium (especially canned), and feeding it exclusively or frequently may cause nutrient imbalances (including risks for thiamine or taurine issues in cats), so it should be offered in moderation as part of a complete, balanced diet.

Related ingredients

Skipjack Atlantic Tuna Natural Tuna Flavor Tuna Bone Tuna Broth Tuna By-Product Tuna Fillet Tuna Flavor Tuna Flavored Broth Tuna Loin Tuna Natural Flavor Tuna Oil Tuna Roe Yellowfin Tuna
Derived from
saltwater fish, often canned or meal form
Primary role
palatability enhancer and protein source

Why it's used

Cats and dogs are frequently drawn to tuna's strong smell and flavor, which is why it shows up as a topper, flavoring, or primary protein in wet foods and treats even in small quantities. It also contributes readily digestible protein and omega-3 fatty acids.

Common concerns

  • Thiamine breakdown from raw fish The Merck Veterinary Manual states that raw fish contain thiaminase, an enzyme that destroys dietary thiamine, and that this is a documented cause of thiamine deficiency in cats causing neurological signs; cooking or canning destroys thiaminase.
  • Steatitis (yellow fat disease) A diet heavy in unsaturated fat from fish such as tuna, combined with insufficient vitamin E, has been documented as a cause of steatitis, a painful inflammation of body fat in cats.
  • Mercury accumulation Tuna is a larger predatory fish species associated with higher mercury accumulation than smaller fish, which is why veterinary sources generally recommend it not become a frequent or exclusive part of a cat's diet.
  • Sodium in canned forms Canned tuna packed in brine or seasoned for human consumption can carry added sodium not present in tuna formulated specifically for pet food.

Also relevant

Commercial cat foods that include tuna are formulated to also supply taurine and vitamin E, nutrients that plain tuna alone does not reliably provide in adequate amounts.

2 sources cited

Common Questions

What category is Tuna?

Tuna is categorized as a protein ingredient in the KibbleLab database.

Is Tuna part of an allergen group?

Yes. Tuna is grouped under the Fish allergen group in the KibbleLab database.

Which foods contain Tuna?

817 foods in the KibbleLab database contain Tuna, including Farmina, FirstMate, Friskies.

Foods with Tuna

Alphabetical by brand. Scores run 0 to 10, higher is better, on published veterinary science.

Farmina
Cod, Shrimp & Pumpkin Stew Kitten Wet Food
8.3
Farmina
N&D Ocean Cod, Shrimp & Pumpkin Stew Wet Cat Food
8.5
Farmina
N&D Ocean Salmon, Cod & Shrimp Stew Wet Cat Food
8.3
Farmina
N&D Ocean Sea Bass, Sardine & Shrimp Stew Wet Cat Food
8.3
Farmina
N&D Ocean Tuna & Shrimp Stew Wet Cat Food
8.3
Farmina
Sea Bass, Squid & Shrimp Stew Wet Cat Food
8.3
Farmina
Trout, Salmon & Shrimp Stew Wet Cat Food
8.2
Farmina
Tuna, Cod & Shrimp Stew Wet Cat Food
8.4
Farmina
Vet Life Gastrointestinal Wet Dog Food
8.7
Farmina
Vet Life Recoup Feline Wet Food
8.5
Farmina
Vet Life Recoup Wet Dog Food
8.4
Farmina
Vet Life Urinary ST Management Wet Dog Food
8.4
FirstMate
Cage-Free Turkey & Wild Tuna 50/50 Formula Wet Cat Food
8.4
FirstMate
Limited Ingredient Wild Tuna Formula Wet Cat Food
8.4
FirstMate
Limited Ingredient Wild Tuna Wet Cat Food
8.3
FirstMate
Wild Salmon & Wild Tuna 50/50 Formula Wet Cat Food
8.6
Friskies
Extra Gravy Paté With Tuna In Savory Gravy Wet Cat Food
7.4
Friskies
Friskies Paté Ocean Whitefish & Tuna Dinner Wet Cat Food
7.2
Friskies
Gravy Sensations Ocean Whitefish & Tuna In Gravy Wet Cat Food
6.8
Friskies
Ocean Favorites Meaty Bits With Tuna, Crab & Brown Rice In Sauce Wet Cat Food
7.2
Friskies
Ocean Favorites Pate With Tuna, Brown Rice & Peas Wet Cat Food
7.4
Friskies
Pate Chicken & Tuna Dinner Wet Cat Food
7.4
Friskies
Prime Filets Chicken & Tuna Dinner in Gravy Wet Cat Food
7.4
Friskies
Prime Filets With Ocean Whitefish & Tuna in Sauce Wet Cat Food
7.5

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