Hill's Prescription Diet d/d Potato & Duck (Adult, Dry)
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Ingredients (verbatim, per manufacturer product page): Potatoes, Potato Starch, Duck, Potato Protein, Soybean Oil, Coconut Oil, Powdered Cellulose, Pork Liver Flavor, Dicalcium Phosphate, Lactic Acid, Fish Oil, Potassium Chloride, Glyceryl Monostearate, Calcium Carbonate, Iodized Salt, Choline Chloride, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate, Niacin Supplement, Thiamine Mononitrate, Calcium Pantothenate, Pyridoxine Hydrochloride, Vitamin A Supplement, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Folic Acid, Vitamin D3 Supplement), DL-Methionine, Taurine, Magnesium Oxide, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene.
Guaranteed analysis (dry-matter basis, per manufacturer): Crude Protein 18.5%, Crude Fat 16.0%, Crude Fiber 3.3%. Hill's publishes this recipe's nutrient content on a dry-matter basis rather than an as-fed guaranteed-analysis panel, and moisture is not separately published, so it is left blank here rather than estimated. Energy 3651 kcal/kg calculated metabolizable energy (365 kcal/cup). AAFCO: Animal feeding tests using AAFCO procedures substantiate that Hill's Prescription Diet d/d Potato & Duck Recipe Dog Food provides complete and balanced nutrition for maintenance of adult dogs. Potatoes is the first ingredient.
Hill's sells d/d Potato & Duck as part of its Prescription Diet line, a therapeutic tier available through veterinarians rather than on the open shelf. Hill's describes it as "clinical nutrition specially formulated to support a dog's food sensitivities." It is a dry kibble formulated for adult dogs, and the first five ingredients on the label are Potatoes, Potato Starch, Duck, Potato Protein, and Soybean Oil. Hill's lists ingredients by pre-cooking weight, so the order shows what goes into the recipe before processing, not the finished proportions. It comes in 25 lb, 17.6 lb, 8 lb. Hill's product page states: "Please consult your veterinarian for further information on how our Prescription Diet foods can help your dog." Sniff and Shift makes single ingredient freeze dried treats, which are treats rather than meals, and they pair with any complete diet on this list. Ask your veterinarian before feeding any therapeutic diet.
Consolidated from publicly available manufacturer information (link above), compiled Sep 20, 2026. Not tested or evaluated by Sniff and Shift. Not medical advice, verify on current packaging and consult your veterinarian.
Questions about Hill's Prescription Diet d/d Potato & Duck
What are the first ingredients in Hill's Prescription Diet d/d Potato & Duck?
As listed on Hill's Prescription Diet's product page, the first ingredients are Potatoes, Potato Starch, Duck, Potato Protein, Soybean Oil. The full list is on the spec sheet above.
How much protein and fat does Hill's Prescription Diet d/d Potato & Duck have?
Hill's Prescription Diet publishes crude protein 18.5% (dry-matter basis) and crude fat 16.0% (dry-matter basis), with 3651 kcal/kg (365 kcal/cup). These are the maker's published figures, not our measurements.
Does Hill's Prescription Diet publish an AAFCO statement for Hill's Prescription Diet d/d Potato & Duck?
Hill's Prescription Diet states: Animal feeding tests using AAFCO procedures substantiate that Hill's Prescription Diet d/d Potato & Duck Recipe Dog Food provides complete and balanced nutrition for maintenance of adult dogs. (per manufacturer)
What kind of food is Hill's Prescription Diet d/d Potato & Duck?
Hill's Prescription Diet lists it as dry kibble, adult dog food.
Where do these numbers come from?
Every figure on this page is transcribed from Hill's Prescription Diet's own product page, linked in the Source line above. Check the bag for the current label.
Source: Hill's Prescription Diet product page (hillspet.com). Figures are the maker's published values; check the bag for the current label.
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