Purina ONE SmartBlend Sensitive Systems Adult Formula Dry Dog Food
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Give your furry friend wholesome goodness that's gentle on his tummy with Purina ONE SmartBlend Natural Sensitive Systems Formula Adult Dry Dog Food. Specially formulated for dogs with sensitive systems, this high-protein dog food offers 100% nutrition and 0% fillers. Real salmon is the #1 ingredient, along with easy-to-digest rice and oatmeal and no artificial colors, flavors or preservatives. Every serving is loaded with protein to support your pooch's strong muscles, including his healthy heart. Plus, this crunchy dog kibble supports sensitive skin with vitamin E and omega-6 fatty acids and has natural sources of glucosamine to promote his healthy joints as he runs and plays. Best of all, dogs love the taste of this Purina sensitive stomach dog food. The crunchy texture even helps keep his teeth clean and his breath fresh!
Key Benefits- Real salmon is the #1 ingredient in this dry dog food for sensitive stomachs. This crunchy dog kibble is loaded with protein to support your four-legged friend's strong muscles as he runs along on his daily adventures.
- This sensitive skin and coat dog food is made for dogs with sensitive systems. The easily digestible recipe is gentle on your pup's stomach, while vitamin E and omega-6 fatty acids nourish his skin and coat.
- Each ingredient is chosen for a purpose to support nose-to-tail well-being. This natural dog food recipe has added vitamins, minerals and nutrients to give adult dogs 100% complete and balanced nutrition.
- This digestive care dog food has a dual-defense antioxidant blend to help keep your pooch's immune system healthy and natural sources of glucosamine to support his healthy joints as he runs and plays.
- Purina ONE is veterinarian recommended. They proudly produce this sensitive skin dog food in Purina-owned, U.S. facilities, where regular checks for quality and safety ensure a kibble dog food that meets your standards.
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Item Number52631
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Weight16.5 pounds
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BrandPurina
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LifestageAdult
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Breed SizeSmall Breeds, Medium Breeds, Large Breeds, All Breeds
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Food FormDry Food
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Special DietSensitive Digestion
Salmon (Source of Glucosamine), Rice Flour, Pearled Barley, Oat Meal, Corn Gluten Meal, Chicken By-Product Meal (Source of Glucosamine), Beef Fat Naturally Preserved with Mixed-Tocopherols, Liver Flavor, Mono and Dicalcium Phosphate, Fish Oil, Salt, Calcium Carbonate, Potassium Chloride, Dried Carrots, Dried Peas, Vitamins [Vitamin E Supplement, Niacin (Vitamin B-3), Vitamin A Supplement, Calcium Pantothenate (Vitamin B-5), Thiamine Mononitrate (Vitamin B-1), Vitamin B-12 Supplement, Riboflavin Supplement (Vitamin B-2), Pyridoxine Hydrochloride (Vitamin B-6), Folic Acid (Vitamin B-9), Menadione Sodium Bisulfite Complex (Vitamin K), Vitamin D-3 Supplement, Biotin (Vitamin B-7)], Minerals [Zinc Sulfate, Ferrous Sulfate, Manganese Sulfate, Copper Sulfate, Calcium Iodate, Sodium Selenite], Choline Chloride, L-Lysine Monohydrochloride. I-4187.
Caloric Content3,803 kcal/kg, 438 kcal/cup
Guaranteed Analysis | |
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Crude Protein | 26.0% min |
Crude Fat | 16.0% min |
Crude Fiber | 3.0% max |
Moisture | 12.0% max |
Linoleic Acid | 1.4% min |
Calcium | 1.0% min |
Phosphorus | 0.8% min |
Zinc | 150 mg/kg min |
Selenium | 0.35 mg/kg min |
Vitamin A | 15,000 IU/kg min |
Vitamin E | 450 IU/kg min |
Omega-3 Fatty Acids | 0.7% min |
Omega-6 Fatty Acids | 1.6% min |
Weight of Dog | Amount to Feed (Cups) |
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3-12 lbs | 1/3 - 1 |
13-20 lbs | 1 - 1 1/3 |
21-35 lbs | 1 1/3 - 2 |
36-50 lbs | 2 - 2 2/3 |
51-75 lbs | 2 2/3 - 3 1/3 |
76-100 lbs | 3 1/3 - 4 |
Over 100 lbs | 4 plus 1/4 cup for each 10 lbs of body weight over 100 lbs |
The recommended feeding amounts indicated are based upon the average nutritional needs of an adult dog with normal activity. Factors, such as a dog's metabolism, breed size, activity level, age and whether the dog is spayed or neutered, will affect the amount of Purina ONE needed to maintain an ideal body condition. If you find that your dog is losing weight or becomes overweight when fed these amounts, please adjust accordingly. To help your dog maintain an ideal body condition, monitor your dog's weight on a regular basis, making sure that his ribs are easily felt and the waist is visible when viewed from above.
Although you'll be anxious to see the difference Purina ONE can make in your dog, please allow 7 - 10 days to ease the transition from your dog's current food. Each day, simply feed a little less of the previous food and a little more Purina ONE until you're feeding Purina ONE exclusively. This gradual transition will help avoid dietary upsets.

Tailored Nutrition for Every Pet
Purina One Smartblend formulas are made with high-quality ingredients, delivering the taste dogs love and the nutrients they need. These dry and wet food recipes are inspired by nature and advanced by science to give your dog a complete and balanced meal with real meat, fish or poultry as the number one ingredient. With selections for dogs of every age and breed, plus formulas that target weight and sensitivities, you'll find the perfect Purina One for your pup.


Premium Smartblend for Adult Dogs
Adult dogs will enjoy Premium Smartblend real lamb or chicken formulas with the exciting texture combination of tender, meaty morsels alongside a classic crunchy kibble. Nutrient-dense True Instinct has even more soft morsels of meat with two animal proteins. If you want to go grain-free and all-crunch, Smartblend True Instinct with beef and sweet potato could be your pup's new favorite.
Puppy and Senior Health
Purina provides the ideal diet to keep your pet healthy throughout his life with life-stage specific dry foods. Smartblend Healthy Puppy gives growing puppies high levels of essential nutrients, including protein and DHA for vision and brain development. Once your pooch reaches age 7, the Vibrant Maturity 7+ Senior formula helps nourish his mind with enhanced botanical oils that provide energy for the brain.


For Dogs Big and Small
Small breeds can benefit from Small Bites Beef and Rice, a kibble that's easy to eat with bite-size pieces. And for the big dogs, Smartblend Large Breed formulas help maintain an ideal body condition that minimizes the stress placed on bones and joints. Puppies get just the right amount of protein, vitamins, minerals and glucosamine to help them grow at the right pace, and Large Breed Adult continues the delicate balancing act of key nutrients for strong bones and muscles.
Targeted Nutrition
By researching different ingredient combinations, Purina One created Targeted Nutrition formulas that are optimized for your pet's lifestyle. With 25% less fat and 15% fewer calories than the Lamb and Rice Adult formula, Smartblend Healthy Weight promotes a naturally healthy weight. Sensitive Systems is a diet designed to nurture sensitive skin and stomachs with rice and oatmeal that are easy to digest, plus omega-6 and vitamin E for a radiant coat.


Delicious Wet Food Entrées
Serve it as a complete meal or topper—either way, Purina One wet food satisfies cravings with tasty real chicken, duck, turkey, venison, lamb and beef entrées. Choose from Classic Ground or Tender Cuts in Gravy—both have twice the recommended antioxidant levels with zinc, selenium, and vitamins A and E. For a nutrient-dense meal with two different protein sources, True Instinct's a great choice, and it comes in grain-free formulas for sensitive pets.
About Purina One
Purina One prides itself on being the first brand in grocery and mass retail stores to offer pet food with real meat, poultry, or fish as the #1 ingredient, starting in 1987. Over the years, they've maintained their position as a leader in the industry that provides best-in-class nutrition for dogs and cats. Through constant innovation and research, Purina One has created Smartblend formulas with the right mix of quality ingredients for tailored nutrition at every stage.

Customer Reviews
91% Recommend
91% of reviewersrecommend this product
You've Already Reviewed This Item
319 Reviews
Showing 1-10 of 319 Reviews
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My Dog Didn’t Like It
By Royal on Jan 15, 2021
I chose this food b/c my dog (lab/pitbull mix) has a very sensitive stomach with the hope that it would be better for her. Well she hates it and won’t eat it unless I add something like coconut oil or an egg in the mix. This food did last about 2 months much longer than her usual food and she didnt experience any digestive issues that I could tell. But I think I’ll switch back to Beneful Original with Natural Salmon Dry food; so she can stop begging for my food & looking sad at her feed time.
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Very small kibble
By Macfadden on Jan 16, 2021
My dog likes this food a lot, along with the other flavors in this line, which he's been eating for quite a while. I was surprised at how small the kibbles are compared to the other flavors, though. It looks almost like cat food; it must be designed for small dogs. You would need a lot of small dogs to go through such a big bag of food. My 60 lb dog doesn't mind, but I will probably stick to the other flavors with larger kibble in the future.
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Smells Funky
By Kayla on Jan 12, 2021
Got this because my goldendoodle was having some skin issues and has a pretty sensitive stomach when changing foods. I haven’t noticed much difference yet and it’s been a couple weeks but this stuff stinks. I can’t even explain what it smells like but it makes my entire kitchen smell like it from one cup in a bowl.
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Small pieces
By Emilee on Dec 13, 2020
I have had my dog on Purina one for quite a while now and really love it. I change flavors every so often. I chose this kind this time around because it was on sale. The only thing about this food compared to others is how small the pieces are. The other kind have the bigger meat chunks and this kind does not. it only has these really itty bitty pieces. My dog eats fairly fast but not at a pace that I have bought a slow feeder for him yet. After buying this bag I did have to buy him a slow feeder because the pieces are so small he'd scarf so fast he'd choke. So the price for a slow feeder counteracted the on sale price. Other than that, I have zero complaints.
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Outstanding food
By jwathas on Dec 20, 2020
We have been feeding both our cats and dogs Purina One and Purina Pro Plan foods for over 20 years. We have five Golden Retrievers and one Saint Bernard, who all do outstandingly well on this Purina One SmartBlend Sensitive Systems food. We breed and show our Goldens and this food helps to keep their coats in tip top shape and their bodies in ideal condition for showing as well as overall general health. It has 26% protein, which is the exact amount that we aim for. It's not too high and not too low. It's the perfect amount of protein for active large breed dogs and helps them maintain their ideal weights. We strongly prefer feeding our pack a salmon-based kibble due to the skin and coat We have been feeding both our cats and dogs Purina One and Purina Pro Plan foods for over 20 years. We have five Golden Retrievers and one Saint Bernard, who all do outstandingly well on this Purina One SmartBlend Sensitive Systems food. We breed and show our Goldens and this food helps to keep their coats in tip top shape and their bodies in ideal condition for showing as well as overall general health. It has 26% protein, which is the exact amount that we aim for. It's not too high and not too low. It's the perfect amount of protein for active large breed dogs and helps them maintain their ideal weights. We strongly prefer feeding our pack a salmon-based kibble due to the skin and coat benefits that it affords them and they clearly love the flavor as they clean their bowls at every single meal. As soon as you open a bag of this food, you can immediately smell the salmon, which I find very reassuring because that right there tells you exactly what the primary ingredient in this kibble is. We had actually been feeding the Pro Plan version of this food for many years (Pro Plan Sensitive Skin & Stomach salmon & rice formula), when we realized that this Purina One Sensitive Systems salmon formula is nearly identical as far as the ingredients and macros for a fraction of the price, so we made the switch and our dogs do just as well on the Purina One as they did on the pricier Pro Plan. Actually, they seem to like the Purina One a bit better, and I think it's because it has a much stronger fish smell than the Pro Plan formula does (not too sure why that is), so they are more attracted to it. I recently spoke with a Purina representative, who informed me that Pro Plan and Purina One are extremely similar, so if you don't want to spend the extra money on Pro Plan, you can easily switch to Purina One and still get all of the same nutritional benefits that you would get with the more expensive Pro Plan formulas. You really can't beat the price of this food. Having multiple dogs, we just love that we can get 93 lbs of this food (three bags) for under $100 thanks to Chewy's autoship discount and the already low price of Purina One. Bottom line - this is an outstanding food at an outstanding price. Purina is a brand that has been around for many decades and is tried and true with extensive science and proven results behind it. With all of these grain-free and self-proclaimed "holistic" foods out there that have been causing serious heart disease and killing many dogs, I take great comfort in feeding my dogs a brand that can be trusted to keep them safe and healthy. … more
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Smells weird
By Gracie on Dec 22, 2020
My dog ate an entire 30lb bag of this with no problem, but I opened a new 16lb one and she won't eat no matter how hungry she is. It smells weird too, kind of plastic-y. To emphasize, we got a small bag of Pro Plan salmon and rice and she ate all of what I gave her (it also actually smells like fish). No, the food was not expired, and yes, we added other, different flavors on top and she still wouldn't eat it.
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Trying new food
By DeeDee on Dec 13, 2020
Our fur baby has been on special dietary food for over a year due to colitis. We are SLOWLY trying a new food. The new food is good for sensitive systems so hoping this works. We’re trying a handful a day mixed with his special diet food. After a week we’ve had no problems ! This week we’re trying 2 handfuls...wish us luck.
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We’ve had before but this bag is a no go
By Louisville2020 on Dec 17, 2020
Smaller pieces than usual! Not sure what the deal is since we had this in our rotation before but the pups wont eat it and they’ve had some tummy issues. Not sure if I’ve gotten a bad batch or what but I’m thinking this may get pitched. Bag was fine and kibble smelled fresh so not sure at all.
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No More Gas!!
By Tony on Jan 4, 2021
I switched my pups to this after having several issues with gas using Pedigree and Ol' Roy. After some researching, this was one of the top "reasonable" choices. My dogs love it and they have had zero gas when just eating this.
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Happy doberman
By MJandAudrey on Nov 21, 2020 Top 25 Contributor
Purchased this good for my 2 year old male doberman. He loves the taste and he is a somewhat picky eater. I was happy with the ingredients, and love that it's fish based so I tried it out. He's doing great on it, I've bought 2 bags already. His coat is more shiney now!