Price: $131.99
(as of Nov 15, 2025 09:39:20 UTC – Details)
Hill’s Prescription Diet z/d Hydrolyzed Dry Dog Food is a highly digestible, great-tasting clinical nutrition formulated to help avoid skin and digestive signs of adverse food reactions in dogs. Made without additives known to cause food allergies. Its high digestibility supports easy nutrient absorption and meets the nutritional needs of adult dogs.
Formulated with Hill’s breakthrough ActivBiome+ Digestion a proprietary blend of prebiotic fibers, which is clinically shown to rapidly activate the gut microbiome to support digestive health and overall well-being. This nutrition is clinically shown to firm loose stool in 3 days.
It contains omega-3 and -6 fatty acids. Additionally, it includes clinically proven antioxidants to help support a healthy immune system. Formulated to promote a urinary environment that reduces the risk of developing struvite and calcium oxalate crystals.
Made in the USA with global ingredients you can trust. Developed by Hill’s nutritionists and veterinarians. Veterinarians can provide additional guidance on how Hill’s Prescription Diet products can be fed long-term to help support overall well-being.
Is Discontinued By Manufacturer : No
Product Dimensions : 23.36 x 15.75 x 5.71 inches; 25 Pounds
Manufacturer recommended age : 1 month and up
Item model number : 8439
Department : dog-prescription-food
Date First Available : May 12, 2011
Manufacturer : Hill’s Pet Nutrition
ASIN : B003V5HNHE
Best Sellers Rank: #3,509 in Pet Supplies (See Top 100 in Pet Supplies) #4 in Veterinary Diet Dog Food #227 in Dry Dog Food
Customer Reviews: 4.6 4.6 out of 5 stars 1,824 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Hill’s Prescription Diet z/d Hydrolyzed Dry Dog Food is specially formulated by Hill’s nutritionists and veterinarians to manage dogs’ food sensitivities.
Nutrition clinically proven to help avoid skin and digestive signs of adverse food reactions.
Made with highly hydrolyzed proteins that are broken down to avoid detection by the immune system.
Rich in Omega-6 & 3 fatty acids to promote skin health and regeneration.
Continued feeding reduces risk of adverse food reactions & promotes healthy skin and digestion.
Formulated to support visible improvement in skin & coat in 30 days.
Clinically shown to firm loose stool in 3 days.
Made with ActivBiome+ Digestion, a proprietary blend of prebiotic fibers shown to rapidly activate the gut microbiome to support digestive health and well-being.
Hill’s Prescription Diet is the #1 US Vet Recommended therapeutic pet food — consult with your vet to make sure Prescription Diet z/d is the right food for your dog
Customers say
Customers find this dog food effective for allergies and skin issues, with one customer noting it solved their dog’s skin infection problems. Moreover, the food receives positive feedback for its taste, health benefits, and ability to address digestive issues, with one customer reporting their beagle’s stomach problems were cured. However, opinions on value for money are mixed, with some finding it worth the price while others consider it expensive. Additionally, customers disagree on the size, with some finding it perfect for small dogs while others note it’s too large for their shih tzu.