by Whiskas
Adult
Regular

Whiskas

1+ Adult with Tuna

Adult
Regular
1

First Ingredient

Grains

Flavor

Fish: Tuna

Cat Food Central Quality Score: 30 out of 100
774 views

Available sizes

300 g
10.6 oz
800 g
28.2 oz
1.9 kg
4.2 lb
7 kg
15.4 lb

Summary

Whiskas 1+ Adult with Tuna is formulated around cereals as the primary energy source to support active adult cats aged one year and older.
Meat and animal derivatives and fish and fish derivatives—including 4% tuna in the brown kibbles—provide high-quality protein and essential amino acids to maintain lean muscle and organ function.
Adding taurine at 1300 mg/kg helps ensure cardiovascular health and clear vision by supporting retinal function.
A balanced mineral profile, featuring calcium, phosphorus, and controlled magnesium, supports strong bones and healthy lower urinary tract function.
A blend of oils and fats supplies essential fatty acids, while fish derivatives contribute omega-3s, supporting a healthy skin barrier and a glossy coat.
Yeasts contribute B vitamins and antioxidants, bolstering immune function and cell metabolism.
Vegetable protein extracts enhance overall amino acid balance and digestibility without relying solely on animal sources.
Natural fibers from vegetable derivatives, such as carrots and peas, aid digestion and help prevent hairball formation.
Vitamin A supports vision clarity, and zinc promotes healthy skin and coat condition.
Manufactured with 100% renewable energy and free from artificial colors and flavorings, this formula reflects a commitment to sustainability and natural taste appeal.

Pros
Expand All
1

High-Quality Protein

Meat, animal derivatives, and fish provide essential amino acids for muscle maintenance and overall health.
2

Essential Amino Acid Taurine

Added taurine at 1300 mg/kg supports heart function and clear vision.
3

Balanced Minerals

Calcium, phosphorus, and controlled magnesium levels promote bone strength and lower urinary tract health.
4

Omega Fatty Acids

Oils, fats, and fish derivatives supply omega-3 and omega-6 for skin hydration and a glossy coat.
5

Natural Fiber Sources

Vegetable derivatives, carrots, and peas support healthy digestion and hairball control.
Cons
Expand All
1

High Carbohydrate Content

With 36.9% carbohydrates, the formula relies heavily on cereals and vegetable starches, which may be higher than ideal for strict carnivores.
2

Added Sugars

Inclusion of various sugars can contribute to unnecessary calories and potential weight gain in less active cats.
3

Moderate Fat Level

At 12% crude fat, very active cats may require additional fat sources to meet their higher energy demands.
4

Low Fiber

The crude fiber content at 2.2% may be insufficient for some cats that require extra fiber to manage hairballs effectively.
5

Limited Tuna Inclusion

Only 4% tuna in the brown kibbles translates to a modest direct fish content relative to the overall formula.

Nutrition

Ingredients

  • Cereals
  • Meat and Animal Derivatives
  • Oils and Fats
  • Derivatives of vegetable origin (including dried beet pulp 2%)
  • Minerals
  • Fish and Fish Derivatives (including 4% Tuna in the Brown Kibbles*)
  • Vegetable Protein Extracts
  • Yeast
  • Vegetables (including dried carrots 0.5%, equivalent to carrots 4%, in the orange kibbles and dried peas 1%, equivalent to peas 4% in the green kibbles*)
  • Various sugars
  • and also:
*Brown kibble typically 70% of product, orange kibble and green kibble both typically 8% of product each

Vitamins and Additives

  • Vitamin D 530 IU
  • Vitamin D3 773 IU
  • Vitamin E 84.9 mg/kg
  • and also:
Antioxidants, Colourants, Preservatives; Nutritional additives: Taurine: 1190 mg, Copper (Copper(II) sulphate pentahydrate): 5.3 mg, Iodine (Potassium iodide): 1.3 mg, Iron (Iron(II) sulphate monohydrate): 10 mg, Manganese (Manganous sulphate, monohydrate): 23.4 mg, Selenium (Sodium selenite): 0.08 mg, Zinc (Zinc sulphate, monohydrate): 68.1 mg

Guaranteed Analysis

Crude Protein
30%
Crude Fat
11.5%
Crude Fiber
2%
Crude Ash
8.8%
Calcium
1.4%
Phosphorus
0.99%

Comments

Developed with veterinarians of the Waltham Petcare Science Institute

Notes

Information about antioxidants and preservatives is missing or insufficient. Since I didn’t want to remove points due to this missing info without any proof, I evaluated this food assuming the natural preservatives were used. But note that this is just an assumption.
Ingredients in this food are listed as categories rather than specific named products. This EU permitted method doesn’t allow me a proper evaluation of the food since I usually don’t have any indication of the real quality of ingredients in each listed category. Therefore I evaluate each such category as the corresponding ingredient of the worst quality: cereals = corn, meat and meat derivatives = partial by-product + unknown source of the meat, oils and fats = unknown source of the fat.

Guaranteed Analysis

Crude Protein
30%
Crude Fat
11.5%
Crude Fiber
2%
Crude Ash
8.8%
Calcium
1.4%
Phosphorus
0.99%
Last reviewed:
We periodically review this product’s details and update them to match the manufacturer’s latest published information, but some changes may not be reflected immediately. View the product change history.

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We compare key factors such as overall score, life stage, and category, along with core nutritional values like protein, fat, fiber, and metabolizable energy.
While not identical, these products fall within a defined range to offer nutritionally comparable options.
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Metabolizable Energy
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Product changes
Whiskas

1+ Adult with Tuna

Product changes

17-04-2026
  • Crude fiber changed from 2.2% -> 2%
02-03-2026
  • Ingredients changed
  • GA changed
  • Score Changed 22 -> 30
18-06-2025
  • Crude protein changed from 32% -> 30.8%
  • Crude fat changed from 10.5% -> 12%
  • Crude fiber changed from 1.5% -> 2.2%
  • Crude ash changed from 8.5% -> 8.1%
  • 3rd Ingredient changed from Vegetable Protein Extracts -> Derivatives of Vegetable Origin
  • 4th Ingredient changed from Oils and Fats (0.25% Fish Oil, 0.1% Sunflower Oil) -> Oils and Fats
  • 5th Ingredient changed from Derivatives of Vegetable Origin -> Minerals
  • 6th Ingredient changed from Minerals (including 0.2% Sodium Tripolyphosphate) -> Fish and Fish Derivatives (including 4% Tuna in the Brown Kibbles*)
  • 7th Ingredient changed from Fish and Fish Derivatives (4% Tuna in the Light Brown Kibbles) -> Vegetable Protein Extracts
  • 8th Ingredient changed from Vegetables (4% Carrots in the Orange Kibbles, 4% Peas in the Green Kibbles) -> Various Sugars
  • 9th Ingredient changed from Antioxidants -> Vegetables (including 0.5% Dried Carrots (equivalent to 4% Carrots) in the Orange Kibbles and 1% Dried Peas (equivalent to 4% Peas) in the Green Kibbles*)
  • 10th Ingredient changed from Colourants from Natural Origin -> Yeasts
  • Score changed from 28 -> 22
Product feedback

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How the score is calculated?

The actual calculation of the score is based on sophisticated and advanced algorithm that takes into account multiple parameters.

To simplify the explanation, the calculation is based on three main criteria:

(1) Amount of protein (more is better)

(2) Amount of carbohydrates (less is better)

(3) Quality and source of ingredients.

Based on that 3 main criteria, 9 score calculation rules are used to compare the different foods.

One major assumption is that the closer an ingredient is to the top of the ingredient list, the greater its relative weight and contribution to the food.

In general, cat food is composed of protein, fats, carbohydrates, fibers, vitamins, and minerals.

Protein is the most important component in a cat's diet, and cats primarily get their protein from animal meat.

Fat is a primary source of energy and essential fatty acids.

Carbohydrates are controversial in a cat's diet, as cats are obligate carnivores and typically consume very few carbohydrates.

Fibers play an important role in digestion and food absorption, and vitamins and minerals are essential for different organism functions.

Dry matter values are used to compare the amount of nutrients in different cat foods. This means that moisture is excluded from the equation to provide a more accurate comparison.

Putting all of these and more into a formula results in a product score.

The maximum score a cat food can receive is 100. Points are added or removed based on the score calculation rules.

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