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Nulo Challenger Puppy & Adult Alpine Ranch Beef, Lamb & Pork Dry Dog Food, 24-lb bag
Nulo

Challenger Puppy & Adult Alpine Ranch Beef, Lamb & Pork Dry Dog Food, 24-lb bag

Evidence Fair
dry all life stages $4.42/lb

Nulo Challenger Puppy & Adult Alpine Ranch Beef, Lamb & Pork Dry Dog Food, 24-lb bag earns a Sniff Score of 84/100 (A) with Fair evidence. Zero controversial ingredients flagged. Strong protein profile with beef as the primary ingredient, delivering high biological value..

Graded by The Sniff System

Why this score

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

PQI

Quality carbohydrate sources with fermentable fiber.

CQI

Quality fat sources: named fat with declared fat sources.

FQI

Controversial ingredients · 1

  • 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.

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

Guaranteed analysis
Protein
35%
min
Fat
18%
min
Fiber
4%
max
Moisture
10%
max
Ingredients
46 total
  1. 1 beef
  2. 2 lamb
  3. 3 salmon meal
  4. 4 turkey meal
  5. 5 pork
  6. 6 chicken meal
  7. 7 oats
  8. 8 barley
  9. 9 chicken fat
  10. 10 millet
  11. 11 ground miscanthus grass
  12. 12 natural flavor
  13. 13 potassium chloride
  14. 14 salt
  15. 15 pumpkin
  16. 16 blueberries
  17. 17 dried spinach
  18. 18 dried chicory root
  19. 19 dl-methionine
  20. 20 choline chloride
  21. 21 taurine
  22. 22 calcium carbonate
  23. 23 zinc proteinate
  24. 24 vitamin e supplement
  25. 25 zinc sulfate

Showing first 25 of 46. Position 1-5 has the largest weight.

AAFCO statement

Nulo Challenger Puppy & Adult Alpine Ranch Beef, Lamb, & Pork Recipe Dog Food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for all life stages, except for growth of large size dogs (70 lb. or more as an adult).