Whole Grain Corn
Whole Grain Corn is a whole or coarse grain ingredient. It usually plays more of a carbohydrate and fiber role than a core protein role. It reads as an upper-tier carb and fiber source.
Hill's
Hills b/d Chicken leads with corn, chicken, and wheat in a brain-aging prescription-style formula with lower protein and phosphorus.
It is worth considering for veterinarian-guided cognitive senior support, not for corn/wheat avoidance or meat-forward goals.

01. NUTRIENT PROFILE
Compare protein, fat and energy density in low, typical and high bands.
This food is on the lower side for crude protein among extruded foods.
This food sits around the typical crude fat range among extruded foods.
This food sits around the typical calorie range among extruded foods. Check the feeding guide and weight trend alongside this comparison.
Undisclosed values are not treated as zero.
02. INGREDIENT QUALITY & DISCLOSURE
The analysis uses the registered ingredients. Complete-panel coverage is not verified, so an unlisted ingredient cannot be assumed absent.
Read the listed ingredients below. Complete-panel coverage is not verified here; do not infer that an unlisted ingredient is absent.

Whole Grain Corn is a whole or coarse grain ingredient. It usually plays more of a carbohydrate and fiber role than a core protein role. It reads as an upper-tier carb and fiber source.
Chicken is a named fresh meat ingredient. The animal source is clearly identified. It reads as an top-tier protein source.
Whole Grain Wheat is a whole or coarse grain ingredient. It usually plays more of a carbohydrate and fiber role than a core protein role. It reads as an upper-tier carb and fiber source.
Animal protein · Chicken (#2)
Fresh meat leads the recipe and supplies animal protein, a useful choice point when you prioritize fresh-meat ingredients.
The complete ingredient panel has not been verified, so absence of plant-protein supplements is not confirmed.
03. CHOOSING FOR YOUR DOG
This is a prescription-diet candidate for brain support. Read purpose fit and veterinary guidance before treating it as a standard star-ranked food.
Prescription purpose: brain support.
This is still a food-first read, so your own dog can reshuffle the final order later.
04. COMPARE FOODS
Compare brain support prescription diets first. For therapeutic diets, clinical fit and veterinary direction matter more than a standard score.
05. MANUFACTURING & DISCLOSURE
Founded in 1907 in the United States.
There is a usable disclosure baseline, but the public record is still fairly thin.
This brand has a confirmed recall history. The most recent public recall noted here was the 2019 vitamin D incident.
May 12, 2026