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Purina ONE SmartBlend Grain-Free True Instinct Classic Ground with Real Chicken & Duck Canned Dog Food, 13-oz, case of 12
Purina ONE

SmartBlend Grain-Free True Instinct Classic Ground with Real Chicken & Duck Canned Dog Food, 13-oz, case of 12

Evidence Fair
wet $2.94/lb

Purina ONE SmartBlend Grain-Free True Instinct Classic Ground with Real Chicken & Duck Canned Dog Food, 13-oz, case of 12 earns a Sniff Score of 51/100 (C) with Fair evidence. 2 controversial ingredients flagged. Score capped at 59 due to no AAFCO statement.

Graded by The Sniff System

Why this score

Strong protein profile with chicken as the primary ingredient, delivering high biological value.

PQI

Includes egg, named fish, or organ meat for diverse high-bioavailability protein.

STACK

Score capped at 59 due to no AAFCO statement.

CAP why?

No declared omega-3 source. Fish oil, salmon oil, and algae oil all absent.

FQI

No AAFCO statement. Nutritional completeness unverified.

ACF

Controversial ingredients · 2

  • sodium selenite
    Synthetic selenium source. Selenium is essential, but sodium selenite has a narrower safety margin than organic alternatives like selenium yeast. Better-formulated foods use the organic form.
  • carrageenan
    Seaweed-derived thickener; some studies link it to gastrointestinal inflammation. Most common in wet foods but appears in some kibble gravies.

Every flagged ingredient has a published basis (confirmed harm / regulatory action / precautionary). See methodology →

Guaranteed analysis
Dry-matter protein: 41% ⓘ
Protein
9%
min (as fed)
Fat
8%
min (as fed)
Fiber
1.5%
max (as fed)
Moisture
78%
max

Wet and fresh foods contain more water than kibble (typically 65-78%). On a dry-matter basis, this food's protein content is roughly 41%, comparable to premium kibble (typically 30-45% DMB protein).

Ingredients

Read why each ingredient is good or bad for dogs.

17 total
Good Neutral Watch Flagged
  1. 1
    chicken

    Real meat. Primary protein source, with the amino acid profile dogs actually evolved to eat.

  2. 2
    chicken broth

    Real broth, adds flavor and moisture. Negligible nutrition on its own but tells you the recipe leans on real meat.

  3. 3
    pork lungs
  4. 4
    liver

    Generic liver, usually chicken or beef. Among the most nutrient-dense ingredients a dog can eat. Named species is more informative.

  5. 5
    duck

    Real meat. Often used as a novel protein for dogs with sensitivities to chicken or beef.

  6. 6
    potassium chloride

    Required mineral. Sometimes used as a salt substitute. Standard inclusion in complete diets.

  7. 7
    zinc sulfate

    Inorganic zinc. Effective at AAFCO doses but less well-absorbed than chelated forms like zinc proteinate.

  8. 8
    ferrous sulfate

    Inorganic iron. Standard mineral source. Iron proteinate is the gentler, better-absorbed premium form.

  9. 9
    copper sulfate

    Inorganic copper. Standard, effective at small doses. Premium formulas tend to use copper proteinate instead.

  10. 10
    manganese sulfate

    Inorganic manganese. Functional but less well-absorbed than the chelated proteinate form.

  11. 11
    potassium iodide

    Source of iodine, an essential trace mineral for thyroid function. Required for AAFCO-complete formulas.

  12. 12
    sodium selenite Flagged

    Inorganic selenium. Effective at AAFCO levels, no documented safety concern in dogs despite what some pet food blogs claim. Selenium yeast is a marginal upgrade, not a necessity. See why →

  13. 13
    carrageenan Flagged

    Seaweed-derived thickener. Some lab studies suggest gut inflammation, but the evidence in pets is mixed.

  14. 14
    guar gum

    Thickener common in wet food. Emerging research on emulsifiers and the gut microbiome, but no smoking gun in dogs yet.

  15. 15
    salt

    Sodium chloride. Required at small doses for normal physiology. Not a quality concern in standard amounts.

  16. 16
    locust bean gum

    Thickener from carob seed. Generally well-tolerated. Less controversial than carrageenan or guar gum.

  17. 17
    choline chloride

    Essential nutrient for liver and brain function. Standard inclusion in complete dog foods.

16 of 17 ingredients have a curated note. Coverage grows over time.