10 Best Iams Senior Dog Food 12kg Large Breed in The UK

Last updated on 17/07/2025

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Best Choice

9.8

Exceptional

Eukanuba

Eukanuba Complete Dry Dog Food for Senior Large and Giant Breeds with Lamb and Rice 12 kg

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Why We Love It

Supports weight control and mobility.
Promotes healthy digestion naturally.
Ideal for sensitive stomachs.

Main Highlights

Premium food for older dogs of large and very large breeds: for large breeds (25-40 kg) from 6 years / for very large breeds (over 40 kg) from 5 years
Especially suitable for dogs with sensitive stomachs, as lamb and rice are easily digestible - at the same time, the high-quality lamb is a natural source of protein for building slim muscles
The food contains a tailored balm
Embossing fabric mix made from embossing Biotics and clinically proven beet chips that promote healthy digestion and turmeric, which strengthens the immune system
In the formula of the senior dog food, glucosamine and chondroitin are for maintaining healthy joints and to support mobility as well as L-carnitine to support weight control
The unique DentaDefense dental care Specially shaped system and the specially shaped system Croquettes of the dog dry food keep the teeth clean and healthy
No artificial colours or flavours and GMOs

Eukanuba Complete Dry Dog Food for Puppy Large and Giant Breeds with Lamb and Rice 12 kg

28% OffFree Shipping

Why We Love It

Perfect for sensitive puppies.
Promotes healthy skin, shiny coat.
Supports growth, aids digestion.

Main Highlights

Special food for nutritionally sensitive puppies and ng dogs of all breeds from 1 month old
Healthy skin and shiny coat
Supports growth for puppies with sensitive digestive systems
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Nature and science working in harmony

IAMS Adult Large Complete Dry Dog Food Lamb 12kg - With DentalCare System

19% OffFree Shipping

Why We Love It

Supports healthy vitality in dogs.
Promotes strong immune system.
Ensures healthy teeth in dogs.

Main Highlights

75% animal protein (out of total protein), supporting your dog's natural needs and providing the great taste they love
DentalCare system reduces tartar build up and keeps teeth clean and healthy
Antioxidant blend with Vitamin E to support a strong immune system. Omega 3 & 6 to support healthy skin and a shiny coat
Key nutrients to help support a strong and healthy heart
Wheat free recipe* with no fillers, artificial colours, flavours or GMOs *produced in a factory which handles wheat

Eukanuba Complete Dry Dog Food for Adult German Shepherd Breed Types with Fresh Chicken 12 kg

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Why We Love It

Promotes optimal digestion efficiently.
Supports healthy joints effectively.
Reduces tartar buildup quickly.

Main Highlights

Balance+: Promotes optimal digestion with higher level of prebiotics (vs Eukanuba adult large breed)
Agility: Formulated to help support healthy joints with added glucosamine and chondroitin sulphate
Mighty: Helps to naturally burn fat while preserving lean muscle with L-carnitine
Power: Clinically proven to help support lean muscles with animal proteins
Dental: Clinically proven to reduce tartar buildup in 28 days; reduces plaque and maintains strong teeth

Harringtons Lamb & Rice 15kg

25% OffFree Shipping

Why We Love It

Wholesome, natural ingredients used.
Proudly UK-made product.
Environmentally-friendly packaging.

Main Highlights

1. THE NATURAL CHOICE - At Harringtons, we believe every dog deserves natural food that's balanced, wholesome and tasty. From puppies to seniors to special diets, we make a range that's perfect for you
2. RICH IN LAMB - Harringtons Lamb & Rice Dry Dog Food 15kg is a complete adult dog food that has been carefully formulated using all natural ingredients to provide wholesome nutrition for your dog
3. NO NASTIES - The #1 ingredient in our dry dog food is meat, for a nutritionally balanced meal. And we never use artificial colour and flavours or added wheat
4. CARBON-NEGATIVE - We're proud to be the UK's first carbon-negative pet food company. We generate our own electricity, and source locally
5. MADE IN THE UK – Harringtons dog food is proudly made by ourselves right here in the UK and has been family run since 1923
Rich in Lamb & Rice
The natural choice
Natural ingredients

BETA Large Breed Turkey Dry Dog Food 14kg

20% Off

Why We Love It

Rich in natural turkey ingredient.
Promotes healthy heart and joints.
Supports digestive health.

Main Highlights

Turkey is # 1 ingredient RICH IN TURKEY
No added artificial colours, flavours or preservatives
Made with selected natural ingredients. Made in the UK.(RECYCLING INFORMATION:Recycle at Large Supermarkets)
With a natural prebiotic proven to help support digestive health
Dual shape and size kibbles
TAILORED NUTRITION to help maintain a lean body mass for your large breed dog.
TURKEY as the No.1 Ingredient. Made with SELECTED NATURAL INGREDIENTS* and with no added artificial colours, flavours and preservatives.
HEALTHY HEART. With essential amino acids to help support vital organ function.
JOINT MOBILITY. With Omega 3 fatty acids to help support healthy joints
HEALTHY SKIN AND SHINY COAT. With vitamins, zinc and omega 3 & 6 fatty acids.Complete Pet Food for Large Breed Adult Dogs.

Barking Heads Complete Dry Dog Food 12kg - Senior All Hounder Golden Years Chicken - Natural Senior Recipe with Joint Support - Vet Approved

33% Off

Why We Love It

Optimal nutrition for seniors.
Natural ingredients only.
Supports digestion and joints.

Main Highlights

50% FREE-RUN CHICKEN - Our Golden Years dry dog food is made with tasty freshly prepared free-run chicken, blended with generous portions of healthy grains & vegetables, like rice, peas & carrots
NATURAL INGREDIENTS - We believe in the power of natural ingredients! Our recipe is crafted with only the best quality, natural ingredients and contains absolutely no nasties & no fillers. That's a promise.
GOLDEN OLDIE MOBILITY SUPPORT - Our senior recipe includes glucosamine, chondroitin, and 25% less fat with L-carnitine. It supports joints, maintains a tip-top body condition, and promotes a healthy weight for your mature dog.
ENERGY & IMMUNE SUPPORT - Tailored for golden oldies! Our senior recipe provides adapted slow-release carbs, essential vitamins, minerals, and beta glucans. It fuels their energy needs and supports immune defense and vital organ functions as they age gracefully.
APPROVED BY THE BEST - Our natural dog food isn't just loved by pets; it's also approved by expert vets and specialist pet retailers! When it comes to quality and trust, we've got the stamp of approval from the ones who know best. It's a testament to our commitment to providing the best nutrition for your furry family member.
Item display weight: 12.0 kilograms.

Eukanuba Complete Dry Dog Food for Mature Senior Large and Giant Breeds with Fresh Chicken 15 kg

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Why We Love It

Supports natural defenses brilliantly.
Promotes strong and healthy bones.
Reduces tartar effectively in days.

Main Highlights

Vitality: Helps support the natural defenses of an aging dog with optimal levels of beta-carotene and vitamin E
Agility: Tailored protein and fat for less stress on joints for mature and seniors large breed dogs
Bones: Clinically proven to promote strong bones, with calcium
Dental: Clinically proven to reduce tartar build-up in 28 days. Reduces plaque and maintains strong teeth
100% complete and balanced. No artificial flavours or colourants added

Burns Pet Nutrition Hypoallergenic Complete Dry Dog Food Adult and Senior Dog Large/Giant Breed Chicken 12 kg

31% OffFree Shipping

Why We Love It

Developed by Veterinary Surgeon.
Natural and complete diet.
Specially formulated for small dogs.

Main Highlights

Developed by Veterinary Surgeon, John Burns
Natural and complete diet
Specially formulated for small dogs
Healthy skin and coat
Highly-digestible
Hypoallergenic
Suitable for sensitive dogs

Harringtons Superfoods Complete Grain Free Hypoallergenic Salmon with Veg Dry Adult Dog Food 12kg - Made with All Natural Ingredients

17% OffFree Shipping

Why We Love It

Supports Heart and Bone Health.
Rich in Natural Proteins.
Promotes Healthy Skin & Coat.

Main Highlights

1. 6 SUPERFOODS - Enriched with a Superfood botanical mix comprising of Rosemary, Spinach, Pomegranate & Blueberries
2. GRAIN FREE RECIPE - Specially formulated for dogs with dietary sensitivites. No grain, wheat, dairy or soya
3. SUPPORTS HEART HEALTH - With Superfood Beans, a source of iron and enriched Taurine to support optimal heart health
4. MEAT #1 INGREDIENT - Dried Chicken & Freshly prepared meat ingredients, providing a great source of natural protein
5. HEALTHY SKIN & COAT - Our recipe is rich in Omega 3 & 6 oils as a source of healthy fats

8.9

Excellent

Save 17%

We scanned 927 products

We reviewed these offers relevant to the Iams Senior Dog Food 12kg Large Breed within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Eukanuba, IAMS, HARRINGTONS, BETA, Barking Heads, Burns, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Iams Senior Dog Food 12kg Large Breed in the market, we considered we took a deep dive into 4636 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Eukanuba Complete Dry Dog Food for Senior Large and Giant Breeds with Lamb and Rice 12 kg. We love many things about this product by Eukanuba. What sets it apart from the competition is Supports weight control and mobility, Promotes healthy digestion naturally, Ideal for sensitive stomachs.
The best value product for most shoppers and where user satisfaction is continuously the highest is Eukanuba Complete Dry Dog Food for Puppy Large and Giant Breeds with Lamb and Rice 12 kg by Eukanuba based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Iams Senior Dog Food 12kg Large Breed and the best cost-to-value ratio is Barking Heads Complete Dry Dog Food 12kg - Senior All Hounder Golden Years Chicken - Natural Senior Recipe with Joint Support - Vet Approvedat Barking Heads with a 33% discount.
Our list of the best Iams Senior Dog Food 12kg Large Breed is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Iams Senior Dog Food 12kg Large Breed in The UK

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We scanned 927 products

We concluded that: