Iams ProActive Health Adult Large Breed Dry Dog Food
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$43.99
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Feed your big breed pup a bowl of healthy benefits with IAMS Adult Large Breed Dry Dog Food for Large Dogs with Real Chicken. This adult dog food has been specially formulated to support your lovable large-breed pooch. It features real farm-raised chicken as the first ingredient—a powerhouse protein to help your pal maintain strong muscles. It’s also formulated to provide bone and joint support for active large-breed dogs. And it promotes healthy digestion and a healthy immune system with a tailored blend of wholesome fibers and prebiotics. It’s the nutrition your big pal needs to help him live larger than life!
Key Benefits- This adult dog food is formulated to support the nutritional needs of large breed dogs.
- Features real farm-raised chicken as the first ingredient.
- Premium-sourced protein helps your pooch maintain strong muscles.
- Formulated to provide bone and join support—important for active large-breed dogs.
- Promotes healthy digestion and immune system with a tailored blend of fibers and prebiotics.
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Item Number130894
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Weight38.5 pounds
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LifestageAdult
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Breed SizeLarge Breeds, Giant Breeds
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Food FormDry Food
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Special DietN/A
Chicken, Ground Whole Grain Barley, Ground Whole Grain Corn, Ground Whole Grain Sorghum, Chicken By-Product Meal, Dried Plain Beet Pulp, Natural Flavor, Poultry Fat (Preserved with Mixed Tocopherols), Brewers Yeast, Dried Egg Product, Carrot, Flaxseed, Caramel Color, Dicalcium Phosphate, Potassium Chloride, Choline Chloride, Fructooligosaccharides, Calcium Carbonate, Vitamins (Vitamin E Supplement, Ascorbic Acid, Calcium Pantothenate, Biotin, Thiamine Mononitrate (source of Vitamin B1), Vitamin B12 Supplement, Vitamin A Supplement, Niacin, Riboflavin Supplement (source of Vitamin B2), Pyridoxine Hydrochloride (source of Vitamin B6), Vitamin D3 Supplement, Folic Acid), Minerals (Ferrous Sulfate, Zinc Oxide, Sodium Selenite, Manganese Sulfate, Manganous Oxide, Potassium Iodide), Mixed Tocopherols (Preservative), Citric Acid, Rosemary Extract.
Caloric Content3,529 kcal/kg, 351 kcal/cup
Guaranteed Analysis | |
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Crude Protein | 22.5% min |
Crude Fat | 12.0% min |
Crude Fiber | 5.0% max |
Moisture | 10.0% max |
Calcium | 0.90% min |
Phosphorus | 0.70% min |
Omega-6 Fatty Acids | 1.80% min |
Glucosamine | 350 mg/kg min |
Chondroitin Sulfate | 35 mg/kg min |
Weight | Daily Feeding (cups) |
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50 lbs | 2 2/3 - 3 |
60 lbs | 3 - 3 1/2 |
70 lbs | 3 1/2 - 4 |
80 lbs | 3 3/4 - 4 1/2 |
100 lbs | 4 1/2 - 5 1/4 |
120 lbs | 5 1/4 - 6 |
140 lbs | 5 3/4 - 6 3/4 |
Start by mixing 25% new food with 75% of the current formula. Slowly change the proportions over the next 3 days or so by gradually increasing the new food and lessening the amount of the current food. At the end of the weaning process, you should be feeding 100% of the new food.

Vet-Trusted and Loved by Dogs
IAMS combines tailored nutrition with tasty real ingredients your dog will love. Choose from formulas targeted to specific age, size, special need and breed requirements and know that your pup will be getting everything he needs to be his best. Experts trust and recommend IAMS dry dog food for its complete and balanced nutrition, while dogs adore it for the delicious meaty flavor.
High Quality Animal Protein
Protein from real meat provides the building blocks for healthy muscles and the fuel your furry friend needs to thrive. Every IAMS dog food recipe features high-quality, natural animal protein from sources like chicken, beef, lamb and turkey that provide excellent nutrition and flavor for your carnivore.

100% Complete and Balanced
IAMS makes their dog food with 0% fillers and no artificial preservatives or flavors, so nothing comes between your dog and great nutrition. Each recipe contains all the nutrients your pup needs for a healthy diet, with a complete and balanced nutrient profile and ingredients specifically targeted to your dog’s size, age and breed needs.
Real, Wholesome Ingredients
Real whole foods like farm-raised chicken, wholesome grains and antioxidant-rich veggies combine to provide the premium nutrition and taste your dog deserves. These natural sources provide important compounds like amino acids for healthy muscles, fiber and prebiotics for good digestion and omega-6 for a healthy skin and coat, plus a savory flavor that’ll keep him coming back for more.

IAMS Dog Nutrition: Formulas for Dogs of All Ages and Sizes
ANY AGE, ANY SIZE
IAMS is suitable for dogs of all ages and sizes – from nourishing growing puppies to giving seniors the nutrition they need to thrive.
SKIN & COAT HEALTH
Every wag-worthy recipe is specially formulated with key ingredients like omega-6 fatty acids to promote healthy skin and a glossy coat.
SPECIALIZED NEEDS
From urinary tract health formulas and more, IAMS provides dogs with nutrition as unique as they are to meet their specialized needs.
About IAMS
IAMS is driven by a philosophy of innovation and an emphasis on advanced pet nutrition. Through extensive research and a unique understanding of dietary requirements for dogs and cats, they've developed diets that help pets thrive. Their formulas meet the everyday needs of pets and their owners with options for every household. IAMS is a leader in pet nutrition that has provided 60 years of nutritional excellence with innovative products that help improve the health of pets worldwide.

Customer Reviews
95% Recommend
95% of reviewersrecommend this product
You've Already Reviewed This Item
561 Reviews
Showing 1-10 of 561 Reviews
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Great food without a great price
By Debb on Feb 6, 2021
Great taste my dogs are eager to eat. It was recommended my our Vet to switch from grain free food. We have learned to stay away from the expensive grain free dog foods we used to feed our animals in the past, due to heart issues. Love chewy delivery to our doorstep.
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Can’t really say...
By Annie on Feb 24, 2021
Eddie is 13 yr old basset hound. He’s on ID food but he doesn’t seem happy with his food so I tried this Iams mixed with ID. Not working but maybe other problems.
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Good stuff
By TeBe on Feb 13, 2021
We have 2 Irish Wolfhounds who we cook a lot of food for. The Iams large breed dry food is a bonus for them! They love it and our Beagle and Rottweiler grand puppies do too!
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Love Iams!
By Sarah on Feb 14, 2021
My 7 year old lab has been on this food since we moved her from puppy food. She loves it, and the vet always compliments how healthy she is. Her fur is healthy and shiny!
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Great Product!
By arlw on Jan 15, 2021
Iams is a terrific dog food. Highly recommended to all 4 legged dogs! High quality all the way and great price from Chewy. Best part is it gets delivered right to our door. "Thank You"!
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Thank you Chewy
By Huck on Jan 1, 2021
We found out from our vet that our previous dog food was giving our dog a heart murmer, so chewy refunded the dog food we had recently purchased without having to return it!!! And so we bought this food instead.
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Good for Sensitive Tummies
By Devin on Jan 29, 2021
My pup has a very sensitive tummy and we've had trouble finding any non-expensive mainstream foods that she eats and enjoys. This one made her happy.
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IAMS is GGRREEAATTTT
By Leanne on Jan 10, 2021
I’ve been feeding IAMS for the last 25 yrs. Never had a problem with it. Yes, I’ve tried other brands, but I ALWAYS come back to IAMS wether be for my dogs or cats. They get the best.
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I use as treats
By Laura on Dec 27, 2020
I operate a pet care business and use this food as treats, since I have a lot of dogs to feed. The size of the nuggets is perfect for my needs and the dogs like it (I haven't tried it so can't comment on the taste).
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SargeUSMC!
By Marty on Feb 5, 2021
My dog loves this dog food, and the price is also good. Customer service is very good and shipments are quick