Summer Essentials

Hill's Prescription Diet z/d Dog Food

  • Dry » 3kg Bag £25.49
  • Dry » 10kg Bag £49.99
  • Mini Dry » 1.5kg Bag £14.99
  • Mini Dry » 6kg Bag £53.50
  • Wet » 12 x 370g Cans £28.99

Selection of 5 products from

£14.99 to £53.50

Hills Z/D available from VioVet

Hill's Prescription Diet Canine z/d is a unique combination feed, developed to aid dogs with numerous food allergies and intolerances, which can often lead to the onset of further health conditions such as digestive difficulties. Allergies and intolerances are typically an adverse response to food proteins, and Hill's Prescription Diet z/d has been specially formulated to counter-act these proteins and lower the risk of allergies arising from beef, wheat and dairy products.

Feeding Guide


Body Weight kg Dry grams
2.5 50 - 70
5 85 - 120
10 145 - 200
20 245 - 340
30 330 - 460
40 410 - 570
50 485 - 670
60 + 9 - 12 per kg

These ranges are a starting point only, because dogs' needs vary. Adjust the feeding amount to maintain the optimal body weight.

A 156g can of z/d ULTRA Allergen-Free Canine canned is equal to 40 grams of z/d Low Allergen Canine dry and a 370g can of z/d ULTRA Allergen-Free Canine canned is equal to 95 grams.


These ranges are a starting point only, because dogs' needs vary. Adjust the feeding amount to maintain optimal body weight

Body Weight kg Cans 370 g
2 1/2 - 3/4
3 2/3 - 3/4
4 3/4 - 1
5 1 - 1 1/4
10 1 1/2 - 2
20 2 1/2 - 3 1/2
30 3 1/2 - 4 3/4
40 4 1/4 - 6
50 5 - 7
60 + 1 per 10 kg

A 370g can is equal to 95 grams of the dry food.

Kibble image

Hill's Prescription Diet z/d key benefits

Protein Single animal source: chicken liver
Extensively hydrolysed
Reduced amount
Helps minimise adverse food reactions.
Carbohydrate Single source: potato Adverse reaction to potato is rare in dogs.
Essential fatty acids Increased Helps nourish the skin and coat.
Digestibility High Improves nutrient availability for patients with compromised digestive tracts.
Superior antioxidant formula Added Neutralises free radicals.



Maize starch, chicken liver hydrolysate, cellulose, minerals, soybean oil, animal fat, vitamins, trace elements, taurine and beta-carotene. With a natural antioxidant (mixed tocopherols).


Chicken liver hydrolysate, maize starch, cellulose, soybean oil, minerals, trace elements, vitamins, taurine.

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  • Freephone*: 0800 084 2608
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All prices include VAT where applicable. *The freephone number is free from most UK landlines only, mobiles are usually charged so we'd recommend calling our landline from your mobile or internationally.

Reviews of Hill's Prescription Diet z/d Dog Food

Read our customers' reviews of Hill's Prescription Diet z/d Dog Food

Questions & Answers for Hill's Prescription Diet z/d Dog Food

Below are some recent questions we've received regarding Hill's Prescription Diet z/d Dog Food, including answers from our team.

Ask Your Own Question

Redness of skin

22nd Sep 2015
Lisa mayle

My dog has finished her steroids and anti biotic about a week ago. She has been on z/d for nearly three weeks. Her skin has started to go red again and has started to lick her paws again. Does this mean the allergy is not food related X

John Cousins
  • Non-Executive Director

This is suspicious and it might rule out a food allergy, but it is too early to say. Some dogs do need more than 3 weeks to show a full response. Also some dogs will pinch a small amount of food (bread, biscuit etc) and if they happen to have a wheat allergy, or some other constituent of what they ate, they will react again. I would certainly suggest that you give the diet more time, but you are right and it might prove that this is not purely a dietary allergy. It is a bit too early to be sure about that.

Allergic to potatoes

2nd May 2015
bailey bobs

My dog is allergic to potatoes corn wheat and rice has severe skin. Allergies tothese myvet has put him on hills zd he loves it.but notice this has potatoes in.

John Cousins
  • Non-Executive Director

All the proteins in Hills z/d have been treated to make sure that they are not recognised by the immune system. This means that even if potato is bad for your dog (which is unusual but certainly possible) it is OK to give him this particular food. [The proteins are "hydrolysed" which means they are broken down into smaller molecules. This does not affect their nutritional value, but makes them unable to cause an allergic response.]

ZD 156g cans

25th Jan 2015
C Berman
  • VioVet Customer Since: May 2012
  • From: London, United Kingdom

Please can you tell me if the 156g tins are permanently discontinued?

  • Web Developer

Yes, Hills have discontinued the 24 x 156g cans and replaced them with the 12 x 370g cans.