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Dry Dog Food

Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food

Product Overview

***Product discontinued as of January 2020***

Targeted nutrition helps nourish inside & out!  Give your dog the nutrition that he needs along with the taste that he loves with Purina ONE SmartBlend Sensitive Systems NATURAL formula dry dog food. With Salmon as the #1 ingredient, providing a high-quality source of protein for his daily diet, and 0% fillers means that every high-quality ingredient in this recipe has a purpose. With a gentle blend of ingredients including salmon, rice, oat meal, this formula provides nutrition that's easy-to-digest.  The addition of vitamin E and omega-6 helps promote skin and coat health. 100% complete and balanced nutrition provides a smart solution for your dog's feeding routine.

  • Real salmon as the first ingredient blended with other high-quality ingredients provides omega-rich nutrition to nurture sensitive skin and stomach
  • Omega-6 helps give your dog a radiant coat and healthy skin
  • Rice and oat meal are gentle on the digestive tract
  • Highly digestible so more nutrition goes to work inside your dog

Ingredients & Nutrition

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 flavour, 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 bisulphite complex (Vitamin K), Vitamin D-3 supplement, biotin (Vitamin B-7)], MINERALS (zinc sulphate, ferrous sulphate, manganese sulphate, copper sulphate, calcium iodate, sodium selenite), choline chloride, L-Lysine monohydrochloride.  I-4187-C

Made in the USA. Nestlé Purina PetCare Canada, 2500 Royal Windsor Drive, Mississauga, ON L5J 1K8

Purina ONE SmartBlend Sensitive Systems Formula is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for maintenance of adult dogs.

Guaranteed Analysis

Crude Protein (Min)


Crude Fat (Min)


Crude Fibre (Max)


Moisture (Max)


Linoleic Acid (Min)


Calcium (Ca) (Min)


Phosphorus (P) (Min)


Zinc (Zn) (Min)


Selenium (Se) (Min)


Vitamin A (Min)

15,000 IU/kg 

Vitamin E (Min)

450 IU/kg

Glucosamine* (Min)

350 ppm

Omega-3 Fatty Acids* (Min)


Omega-6 Fatty Acids* (Min)


 *Not recognized as an essential nutrient by the AAFCO Dog Food Nutrient Profiles. 

Feeding Guidelines


Weight of Dog (lbs) Weight of Dog (kg) Amount to Feed (cups)
3 - 12  1.4 - 5.4 1/3 - 1
13 - 20 5.9 - 9.1 1 - 1 1/3
21 - 35 9.5 - 15.9 1 1/3 - 2
36 - 50 16.3 - 22.7 2 - 2 2/3
51 - 75 23.1 - 34.0 2 2/3 - 3 1/3
76 - 100 34.5 - 45.4 3 1/3 - 4
Over 100 Over 45.4 4 cups plus 1/4 cup for each 10 lbs (4.5 kg) of body weight over 100 lbs (45 kg)


The recommended feeding amounts indicated are based upon the average nutritional needs of an adult dog with a normal activity level (using a standard 8 oz./250 ml measuring cup, which contains approximately 115 g of Purina ONE). 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. The pet experts at Purina have provided the feeding amounts indicated as a starting point. 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 his waist is visible when viewed from above. Maintaining an ideal body condition can impact your dog's lifelong health.


Purina ONE Sensitive Systems Formula is specifically formulated for adult dogs. If you have a puppy, or a pregnant or nursing dog, feed Purina ONE SMARTBlend Healthy Puppy Formula.


Purina ONE may be fed dry or mixed with water. If mixed, we suggest one part liquid to four parts Purina ONE.


A dog's digestive system works best when it receives the same food each day. Although humans crave variety in their diets, dogs do not. Feeding different dog foods can turn your dog into a finicky eater. Avoid feeding table scraps, as they can upset the nutrient balance provided by your dog's regular food, and may lead to obesity. The best way to feed your dog is to feed only one dog food each and every day.


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 his 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.


Purina ONE provides 100% complete and balanced nutrition for maintenance of adult dogs. There is no need to add vitamins, minerals or other supplements, unless specifically directed by a veterinarian.


Be sure to provide fresh water in a clean container for your dog daily. Proper diet, exercise and veterinary care are the best ways to keep your dog healthy. If your dog hasn't had a check-up in the past year, please make an appointment today.


Calorie Content (calculated) 

3803 kcal/kg
438 kcal/cup


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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • Springerspan
  • October 6, 2012
Loyal pet owner from Middleton, ID, USA

Excellent dog food

We have an English springer spaniel with some pretty crazy allergies. This is the only food we found that made the issues go away. We even tried the super expensive blue buffalo and didn't get results as good as this food has given us. We recommend it to anyone and everyone. Saved our dog.

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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • chere0805
  • October 8, 2012
Loyal pet owner from Greenville, NC, USA

The only food that keeps my Corgi's system balanced!

I have a 7 year old Corgi with allergies. My vet has had me try several different much more expensive dog foods and the outcomes left me with an itcy and smelly, not to mention miserable animal.
I had used Sensitive Systems a while back, but the vet wanted me to try something new and I did.. Now I am back with the Sensitive systems and I saw a complete change in Peedee's skin in a matter of days.
I refuse to change him again...

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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • Jennifer
  • October 14, 2012
Loyal pet owner from Ladysmith, WI 54848, USA

Wonderful food for sensitive stomach

I have a 4 year old Bloodhound. He has extreme stomach sensitivity. He also suffers from epilepsy, so it is important that he maintains a healthy weight and can eat a food he can keep down. This food and the Purina One Pro Plan Sensitive Skin and Stomach food is exactly what he needs!!!! My only problem is getting it closer to home in stores!!! I think more stores that sell the Purina products should have more selections as this food is not sold in as many stores... I also have a 5 year old female Bloodhound, she does not need the sensitive formula, but loves the Lamb and Rice formula!!!!

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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • Lsmit102
  • December 9, 2012
Loyal pet owner from Ohio, USA

Love this dog food!!

I have two pitbulls with many allergies. If I buy them bad food their seasonal allergies tend to be worse. I had them on this food for quite some time, my only problem is finding it! I have to drive almost an hour if I want them to be on this. I've bought multiple bags before, but it still adds up to have to drive that far. I am able to order it locally, but its $8 more a bag. Because of all of this, I have switched to the lamb and rice. Anyone that has a dog with allergies knows how awful it is to change foods, especially after you find one that works, but I am able to find the lamb and rice for around the same price locally. I would recommend this food to anyone with a dog that has allergies, but make sure its sold near you first :)

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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • JenniferR
  • December 20, 2012

Happy Bellies

I love this product for my dogs.....I have an older Pit Bull Mix and if she eats anything else other than Purina One for Sensitive Systems she will throw it back up within a couple of hours....So this food has made us all happy.....Plus my cat thinks it is a treat for him too

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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • Mindola
  • December 28, 2012
Loyal pet owner from Arnold, MO, USA

Great for touchy tummy's

The only down fall is the smell!! Because it's fish, duh!! Our dogs could not tolerate 4 other brands and favors !! And we are not rich, so we needed something affordable!! So, this has completely been our answer!!!!! Works like a charm from the very beginning!!!! Love It!!!

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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • HappyMax
  • January 13, 2013
Loyal pet owner from NC

This is fantastic nutrition,

as our dog (golden)has flourished on it for the last ten years. He can still jump into the car without difficulty and seems to really enjoy the taste. Thank you Nestle/Purina, especially for the salmon food!

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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • ThorPug
  • January 23, 2013
Loyal pet owner from Pittsburgh, PA, USA

The Best Dog Food I've Found!

My 10 year old Pug has allergies to beef, pork & dairy so we struggled to find a food that was good for him. We were thrilled when we found Purina One Sensitive Systems!
Unlike other foods we had tried, this does not make him gassy, his coat is really shiny and his energy is through the roof...he still plays like he did when he was a puppy. Plus, he LOVES this food.
He was a little chubby and the vet had us cut the amount we were feeding to him but she is pleased with the food, she said this is one of the best "over the counter"foods out there.
The occasional salmon burps can be a little foul but that is the least of our problems with this food.
I'm so happy that we've found a product that makes him so happy & healthy.

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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • Nomorecleanups
  • May 7, 2013
Loyal pet owner from San Diego, CA

Try it!!!

After about two years of trying many other brands, including much more expensive ones, I was really glad to find this dog food. My dog was not interested in food and had a very sensitive stomach. He had frequent diarrhea. He had very soft stool when not diarrhea. Switched to Purina One Sensitive Systems and not a problem since. Increased his appetite, interest in eating, and improved his coat. More solid, compact stool. No more diarrhea. Wish I would have found it sooner! Not easy to find, though.

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Purina ONE® SmartBlend® Sensitive Systems Formula Dry Dog Food
  • Rating: 5 out of @max_stars stars
  • lake53
  • May 27, 2013
Loyal pet owner from Florida, USA

Quality food for sensitive skin

My dogs have sensitive skin and chicken seems to inflame it. This product is great for their skin. They love the taste. The only problem I have is finding it. There is only one store in my area that carries the sensitive system choice. So when they are out of it I get the lamb and rice formula, this does not inflame their skin either.

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