Updated 12 Jun 2020
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Hill's Science Plan Adult 1+ Perfect Weight Large

Type of food

Dry extruded complete

Dog types

Pet dogs

Targeted conditions

Weight management

Breed sizes

NOT suitable for toy breed dogs
Adult weight 1-4kg. e.g. Chihuahua, Pomeranian, Yorkshire Terrier
NOT suitable for small breed dogs
Adult weight 4-10kg. e.g. Beagle, Dachshund, Jack Russell
NOT suitable for medium breed dogs
Adult weight 10-25kg. e.g. Border Collie, Staffie, Springer, Vizsla
Suitable for large breed dogs
Adult weight 25-45kg. e.g. Boxer, Labrador, Greyhound
Suitable for giant breed dogs
Adult weight 45kg+ e.g. Bernese, Great Dane, Mastiff

Dog ages

From 12 months to old age

Pack sizes

12kg bags


12kg bags = £59.99

AADF rating


At a glance

Natural: Free from added artificial preservatives, antioxidants, colourings, flavourings or other controversial synthetic ingredients
Not high in meat: Contains less than 30% meat ingredients (on a dry matter basis) or meat percentage is unspecified
Not hypoallergenic: Contains wheat, maize, dairy products, soya products and/or artificial additives or has an ingredient list that is too unclear to rule out their presence
Not clearly labelled:

It is difficult to tell exactly what is in this food due to a lack of labelling clarity.

Certified nutritionally complete: This food complies fully with the complete food nutrient tolerances as recommended by FEDIAF and/or AAFCO

Price per day

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Mixing bowl:

Wheat, Maize Gluten Meal, Maize, Chicken and Turkey Meal, Pea Bran Meal, Cellulose, Digest, Tomato Pomace, Flaxseed, Animal Fat, Dried Beet Pulp, Coconut Oil, Minerals, Dried Carrots.

As fed (BETA):

Why is this different from the ingredients list?

Nutritional additives (per kg)

Vitamin A (10, 012 IU), Vitamin D3 (768 IU), Vitamin E (550 IU), Vitamin C (90 IU), Iron (74.9mg/kg), Iodine (1.2mg/kg), Copper (7.4mg/kg), Manganese (7.7mg/kg), Zinc (155mg/kg), Selenium (0.2mg/kg).

Typical Analysis

Protein 25.3%, Fat 11.3%, Fibre 12.1%, Ash 5.1%, Moisture 8.0%, Sodium 0.29%, Calcium 0.75%, Phosphorus 0.61%, Magnesium 0.12%.


316.0 kcal/100g

Dry weight nutrients

Above average


Below average

* NFE carbohydrate level (i.e. not including fibre). Level estimated from available data.


12kg bags RRP


Grams per day


Cost per day


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Company info
Name: Hill's Pet Nutrition
HQ: Kansas, USA
Parent company: Colgate-Palmolive
Brands: Hill's Ideal Balance
Hill's Prescription Diet44 Hill's Prescription Diet foods listed
Hill's Science Plan3333 Hill's Science Plan foods listed
Manufacturer's product description

" HILL'S SCIENCE PLAN Perfect Weight Large Breed Adult dog food with Chicken provides delicious, clinically proven nutrition to reach & maintain healthy weight. Our high protein, high fibre formula enriched with L-carnitine & coconut oil helps support pets' metabolism.> Key Benefits

Safe & effective weight loss with visible results

Healthy weight maintenance & long lasting weight support

Prebiotic fibres for gentle digestion

Recommended for:

Adult dogs 1+ years of age that require fewer calories (i.e. dogs that are less active, neutered or otherwise prone to weight gain).

Not recommended for:

Puppies, pregnant or nursing dogs. During pregnancy or nursing, dogs should be switched to HILL'S SCIENCE PLAN Puppy food. "

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Russ Cusworth 6 months ago

Dry Matter: Protein 28.3%, Fat 12.6%, Carbohydrate (NFE) 40.2%, Fibre (crude) 13.2%, Moisture -, Calcium 0.87%, Phosphorus 0.67%, Sodium 0.3%, Potassium 0.83%, Magnesium 0.13%, Omega-3 fatty acids 0.84%, Omega-6 fatty acids 2.21%, L-Carnitine 339 mg/kg,L-lysine 1.67%, Vitamin A 7519 IU/kg, Vitamin D 757 IU/kg, Vitamin E 710 mg/kg, Vitamin C 98 mg/kg, Beta-carotene 1.6 mg/kg.

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Nicky 8 years ago

your ingredient list is not the same as that on the food packaging. why is this? before you start giving foods a bad review you need to make sure you have your facts straight

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All About Dog Food Nicky 8 years ago

Hi Nicky and thanks for posting. The ingredients list is taken directly from the Hill's website here: http://www.hillspet.co.uk/e...
If it is different on your bag then it is possible that you have an older or a newer formula. We'll keep our eye out for updates from Hill's.

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