IAMS Proactive Health Mature Large Breed Dog Food for Daily Aging Wellness, Chicken Dinner
IAMS Proactive Health Mature Large Breed Dog Food for Daily Aging Wellness, Chicken Dinner
In stock
Couldn't load pickup availability
Share
Why you'll love it
- Real chicken is the first ingredient, with no fillers or artificial flavors
- The senior-specific Proactive 5 formula addresses several age-related health priorities rather than treating an older dog like a younger adult
- DHA Gold supports mental and visual sharpness, addressing highly visible concerns in aging dogs
- Glucosamine and chondroitin support bones and joints in large senior breeds
- Natural fiber, prebiotics, and crunchy kibble support digestion and help reduce plaque buildup
- The 15 lb and 30 lb options let buyers balance purchase commitment against restocking convenience
Perfect for
- Serve as the daily dry-food ration for a senior or mature large-breed dog
- Support healthy aging across digestion, immunity, cognition, vision, vital organs, bones, and joints
- Select the 15 lb bag for a smaller household or a less-complicated initial purchase
- Select the 30 lb bag for a multi-dog household or more convenient replenishment
- Fuel daily walks and active play with steady energy for an aging dog


Product Information
Veterinarians Recommend IAMS: This IAMS Senior Dog Food Recipe is made with real chicken as the #1 ingredient and contains no fillers or artificial flavors; ingredients are natural as defined by the Association of American Feed Control Officials (AAFCO)
Mental & Visual Sharpness: This IAMS dog food for senior dogs contains DHA Gold to promote mental and visual sharpness in aging dogs
Supports Vital Organs: IAMS Proactive Health Healthy Aging Senior Dog Food supports vital organs with essential nutrients and an antioxidant blend to help reduce oxidative stress
Immune System Support: This dry dog kibble is crafted with an essential antioxidant blend that includes Vitamin E and Beta Carotene to help restore the immune response of older dogs to healthy adult levels
The Proactive 5 Difference: The Proactive 5 health benefits for IAMS Healthy Aging adult dog food are scientifically designed to support five key areas of your dog’s health, keeping them full of life, for more of life
Veterinarians recommend IAMS. Every life stage for your dog is unique, and IAMS understands what is essential to your senior dog. This IAMS Proactive Health dog food, Healthy Aging Dry Dog Food With Real Chicken, is made with real chicken as the #1 ingredient and contains no fillers or artificial flavors; ingredients are natural as defined by the Association of American Feed Control Officials (AAFCO). This dry dog recipe is scientifically designed to support five key areas of your dog’s health, keeping them full of life, for more life. IAMS Healthy Aging Dog Food is formulated with a carefully selected blend of natural fiber and prebiotics to support healthy digestion. As a natural dog food, it also contains an antioxidant blend that includes Vitamin E and Beta Carotene, which helps boost your older dog's immune response to healthy adult levels. With select healthy grains for healthy energy, IAMS Healthy Aging Recipe helps your senior dog stay active and engaged. Made with balanced nutrients, including minerals, this pet food supports vital organs with essential nutrients and an antioxidant blend to help reduce oxidative stress. The crunchy kibble of this recipe helps reduce plaque buildup that can lead to bad breath. DHA Gold promotes mental and visual sharpness, which is crucial for your senior dog. This IAMS Healthy Aging dog food is also formulated with essential nutrients to support healthy bones & joints. Dog owners can help their mature dogs thrive with the wholesome nutrition they need from IAMS Proactive Health Healthy Aging Dry Dog Food.Age Range Description: Senior
Item Form: Dry Kibble
Specific Uses For Product: Bone Health, Digestive Health, Hip and Joint Support, Immune Support
Special Ingredients: Proteins
Container Type: Bag
Breed Recommendation: Large Breeds
Allergen Information: Brazil Nuts Free
Dog Breed Size: Large
Product Benefits: Supports bone health, aids digestion, boosts immune system
Animal Food Nutrient Content Claim: No Added Sugar
Additional Features: Supports healthy bones and joints, promotes healthy digestion
Recommended Uses For Product: Bone Health, Digestive Health, Immune Support, Hip and Joint Support
Animal Food Diet Type: Veterinary Diet
Target Species: Dog
Pet Type: Dog
Item Type Name: Dog Food
Occasion: Daily Feeding
Number of Items: 1
Item Weight: 30 pounds
Package Size Name: 30 lb
Ingredients
Chicken, Chicken By-Product Meal (source of Glucosamine and Chondroitin Sulfate), Ground Barley, Ground Whole Grain Corn, Ground Whole Grain Sorghum, Soybean Meal, Dried Plain Beet Pulp, Natural Flavor, Dried Egg Product, Calcium Carbonate, Marine Microalgae (source of DHA), Caramel Color, Potassium Chloride, Carrots, Fructooligosaccharides, Choline Chloride, Vitamins (Vitamin E Supplement, Ascorbic Acid, D-Calcium Pantothenate, Biotin, Thiamine Mononitrate (Vitamin B1), Vitamin B12 Supplement, Vitamin A Supplement, Niacin, Riboflavin (Vitamin B2), Pyridoxine Hydrochloride (Vitamin B6), Vitamin D3 Supplement, Folic Acid), Minerals (Ferrous Sulfate, Zinc Oxide, Sodium Selenite, Manganese Sulfate, Copper Sulfate, Potassium Iodide, Manganous Oxide), Beta-Carotene, Mixed Tocopherols (preservative), Citric Acid (preservative), L-Carnitine, Rosemary Extract
Frequently Asked Questions
How does the Proactive 5 formula support my senior large-breed dog's daily wellness?
The Proactive 5 formulation is tailored for senior large-breed dogs and supports five age-related priorities: digestion, immunity, cognition, vision, and vital organ health.
How does DHA Gold support my aging dog's mental and visual sharpness?
DHA Gold is derived from marine microalgae and supplies DHA to support brain function, mental alertness, and visual health as your dog ages.
How can glucosamine and chondroitin help my senior large-breed dog's joints?
Glucosamine and chondroitin from chicken by-product meal help support cartilage, bones, and joints, which is especially relevant for large senior breeds.
How does the antioxidant blend support my senior dog's immune system?
Vitamin E and beta-carotene provide antioxidant support for immune function and help reduce oxidative stress associated with aging.
How does the crunchy kibble support digestion and dental care?
Natural fiber, beet pulp, fructooligosaccharides, and prebiotics support digestion, while the crunchy kibble helps reduce plaque buildup through chewing.
Is this senior-specific food a good choice for my large-breed dog's evening meal?
Yes. Its age-tailored nutrition supports digestion, immunity, cognition, vision, vital organs, bones, and joints, making it well suited to a complete daily feeding ritual for a mature large-breed dog.
Can I use IAMS Proactive Health Mature Large Breed food as my dog's main daily ration?
It is formulated to serve as the daily dry-food ration for senior or mature large-breed dogs. Feed it according to your dog's age, weight, activity level, and the feeding guidance provided on the package.
Will this food help my senior dog maintain steady energy for short walks and gentle play?
Yes. Balanced senior dog nutrition can provide steady energy for daily walks and age-appropriate activity, while glucosamine and chondroitin support mobility in bones and joints.
Does this food contain real chicken as the first ingredient?
Yes. Real chicken is the first ingredient, and the formula contains no fillers, artificial flavors, or added sugar.
Which bag size should I choose for a smaller household?
The 15 lb bag is the lower-commitment option for a smaller household, a single-dog feeding area, or a first-time purchase. Choose the 30 lb bag when convenience and fewer restocking trips matter more.
How does senior-specific nutrition compare with regular adult large-breed dog food?
Unlike a standard adult formula, this food uses the Proactive 5 approach to address age-related needs involving digestion, immunity, cognition, vision, vital organs, bones, and joints.
How does this senior food compare with feeding a younger adult dog the same food?
The formula is designed around the changing needs of aging dogs. A younger adult may have different nutritional requirements, so your veterinarian can advise which life-stage food is most appropriate.
Is an expensive senior formula worth it for a large-breed dog?
The value comes from targeted support across several age-related health priorities, including joints, digestion, immunity, cognition, and vision, rather than simply matching the kibble size of a regular food.
What if my senior dog eats slowly or has trouble chewing the kibble?
Because this food uses larger kibble suited to large breeds, confirm that your dog can comfortably chew it. Ask your veterinarian for guidance if chewing is difficult or if dental or health concerns are present.
How should I transition my dog to IAMS Proactive Health Mature Large Breed food?
Gradually replace the current food over about seven days, increasing the proportion of the new food each day. Monitor appetite and digestion, and follow the transition guidance printed on the package.
How much should I feed my senior large-breed dog each day?
Use the package's feeding guide as a starting point and adjust according to your dog's weight, age, body condition, and activity level. Your veterinarian can help determine the appropriate portion.
What bag sizes are available?
The food is available in 15 lb and 30 lb single-pack bags. Choose the 15 lb bag for lower commitment and the 30 lb bag for multi-dog households or fewer restocking trips.
Is this food formulated for large-breed senior dogs?
Yes. It is specifically formulated for mature or senior large-breed dogs, with senior-specific support for digestion, immunity, cognition, vision, vital organs, bones, and joints.
Can this food be served with wet food or toppers?
It can complement an existing feeding plan, but adjust total portions to avoid overfeeding. Ask your veterinarian for guidance if you are mixing complete and supplemental foods or managing a medical condition.
How does this product compare with standard adult large-breed dog food?
Standard adult food is designed for adult maintenance, while this formula uses the Proactive 5 approach to address five age-related health priorities and is tailored for senior large-breed dogs.
What is included in the package?
Each purchase includes one bag of IAMS Proactive Health Mature Large Breed chicken dry dog food in the selected 15 lb or 30 lb size. A bowl, measuring scoop, and fresh water are not included.
Are there any special safety concerns I should know about?
Store the bag sealed in a cool, dry place, follow the serving guidance, and supervise your dog while eating. Consult your veterinarian if your dog has swallowing difficulties, dental problems, food allergies, or other health concerns.
How do I know whether the kibble is fresh and stored correctly?
Follow the package's best-by date and storage instructions. Keep the bag sealed and away from moisture, heat, pests, and other pets, and do not use food that appears stale, damp, or contaminated.

