Purina · ONE True Instinct High Protein · Tuna in Sauce

Name: Purina ONE True Instinct High Protein Tuna in Sauce
Brand: Purina

Wet food · Growth & Reproduction · Adult Maintenance

Furry PI's verdict

Purina True Instinct High Protein earns its grade honestly. After the broth, tuna is first in line — the right start for an obligate carnivore. It isn't flawless — it contains menadione sodium bisulfite complex. Even so, the overall picture is good for everyday feeding.

What's concerning

Contains menadione sodium bisulfite complex — an ingredient our database flags as genuinely problematic for cats.
Several other ingredients on the label raise quality questions — the full flagged list is in the app.

What works

After the broth, tuna is first in line — the right start for an obligate carnivore.
A strong share of its calories comes from protein.
As a wet food, it delivers the moisture cats rarely drink on their own.

The grade is only the cover of the case file. The free app shows the full 100-point breakdown, every flagged ingredient, and better-graded alternatives for your cat.

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Nutrition from the label (as fed)

Protein	11%
Fat	2%
Fiber	1.5%
Moisture	80%
Ash	3%
Carbs (estimated)*	2.5%

Label: guaranteed analysis (min/max). * not printed on the label — carbs are calculated, ash/moisture estimated from typical values. How these numbers translate into calories from protein vs carbs — and how this food scores on each pillar — is shown in the app.

Quick answers

Is Purina True Instinct High Protein grain-free?: No — the label lists wheat gluten.
What are the first ingredients in Purina True Instinct High Protein?: The label opens with tuna broth, tuna and wheat gluten. Ingredients are listed by weight, so the first few carry the most.
Does it contain artificial colours or preservatives?: None appear on the ingredient list.

More from Purina

Grades come from a fixed, formula-based method — the same for every food, never paid for. About Furry PI

Furry PI analyses food labels and isn't a substitute for veterinary advice.