Hill's Prescription Diet
Gastrointestinal Biome Chicken Flavor Dry Dog Food, 27.5-lb bag
0out of 100
C Evidence Fair
dry $5.27/lb
Hill's Prescription Diet Gastrointestinal Biome Chicken Flavor Dry Dog Food, 27.5-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
Quality carbohydrate sources with fermentable fiber.
CQI
+16
Quality fat sources: named fat with marine oil (EPA and DHA source).
FQI
+12
Includes egg, named fish, or organ meat for diverse high-bioavailability protein.
STACK
+5
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
17%
min
Fat
9%
min
Fiber
9%
max
Moisture
10%
max
Ingredients
39 total - 1 chicken protein animal
- 2 cracked pearled barley
- 3 brewers rice
- 4 corn protein meal
- 5 whole grain corn grain
- 6 oats grain
- 7 ground pecan shells
- 8 chicken liver flavor
- 9 chicken fat fat
- 10 powdered cellulose fiber
- 11 flaxseed fat
- 12 dried beet pulp fiber
- 13 pork liver flavor
- 14 dried citrus pulp
- 15 soybean oil
- 16 fish oil fat
- 17 calcium carbonate mineral
- 18 dicalcium phosphate mineral
- 19 lactic acid
- 20 potassium chloride mineral
- 21 pumpkin vegetable
- 22 pressed cranberries
- 23 l-lysine supplement
- 24 salt mineral
- 25 choline chloride supplement
Showing first 25 of 39. Position 1-5 has the largest weight.