Merrick
Grain-Free Dry Dog Food Real Duck & Sweet Potato Recipe, 22-lb bag
0out of 100
C Evidence Fair
dry $3.54/lb
Merrick Grain-Free Dry Dog Food Real Duck & Sweet Potato Recipe, 22-lb bag earns a Sniff Score of 59/100 (C) with Fair evidence. Zero controversial ingredients flagged. Score capped at 59 due to no AAFCO statement.
Graded by The Sniff System
Why this score
Strong protein profile with duck as the primary ingredient, delivering high biological value.
PQI
+22
Quality fat sources: named fat with marine oil (EPA and DHA source).
FQI
+12
Premium micronutrient forms such as chelated minerals or natural vitamin E.
MNI
+4
No AAFCO statement. Nutritional completeness unverified.
ACF
−8
Controversial ingredients · 1
- sodium seleniteSynthetic 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
34%
min
Fat
17%
min
Fiber
3.5%
max
Moisture
11%
max
Ingredients
41 total - 1 duck protein animal
- 2 chicken meal protein animal
- 3 turkey meal protein animal
- 4 sweet potato vegetable
- 5 potato vegetable
- 6 peas legume
- 7 chicken fat fat
- 8 fish meal protein animal
- 9 potato protein protein plant
- 10 chicken protein animal
- 11 pea protein protein plant
- 12 flaxseed fat
- 13 natural flavor other
- 14 dried yeast
- 15 miscanthus grass fiber
- 16 sunflower oil fat
- 17 potassium chloride mineral
- 18 salt mineral
- 19 alfalfa meal supplement
- 20 choline chloride supplement
- 21 apples fruit
- 22 blueberries fruit
- 23 iron amino acid complex mineral
- 24 zinc amino acid complex mineral
- 25 zinc sulfate mineral
Showing first 25 of 41. Position 1-5 has the largest weight.