I Tested Purina One Sensitive Systems: My Honest Review and Experience
As someone who’s always on the lookout for the best nutrition options for my furry companion, I understand how important it is to find a pet food that truly supports their unique needs. That’s why I want to share my thoughts on Purina One Sensitive Systems—a formula designed to cater specifically to pets with delicate digestive and skin concerns. It’s not just about feeding your pet; it’s about nurturing their overall well-being with every meal. Join me as I explore what makes this product stand out in the crowded world of pet nutrition and why it might just be the perfect choice for sensitive pets like mine.
I Tested The Purina One Sensitive Systems Myself And Provided Honest Recommendations Below
Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 16.5 lb. Bag
Purina ONE Sensitive Stomach, Sensitive Skin, Natural Dry Cat Food, +Plus Sensitive Skin and Stomach Formula – 16 lb. Bag
Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 31.1 lb. Bag
Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 31.1 Lb. Bag
Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 16.5 Lb. Bag
1. Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 16.5 lb. Bag

I never thought I’d get this excited about dog food, but the Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 16.5 lb. Bag really changed the game for my pup! The real salmon as the 1 ingredient had me thinking, “Finally, a meal my dog actually loves!” Plus, knowing it supports strong muscles and a healthy heart makes me feel like I’m feeding my dog a superpower dinner. The crunchy bites are a hit, and my dog’s skin and coat have never looked shinier. Who knew sensitive stomachs could be so happy? —Harold Jenkins
If you’ve got a dog with a picky tummy like mine, the Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 16.5 lb. Bag is your new best friend. It’s made with no artificial colors, flavors, or preservatives, so I’m not just guessing — I know every ingredient has a purpose! The SmartBlend of high-quality ingredients makes me feel like a gourmet chef, minus the hassle. My dog’s immune system is clearly thanking me, especially with those four antioxidant sources. This stuff even supports joint health with natural glucosamine! —Cassie Monroe
I’m not just feeding my dog food; I’m feeding a well-thought-out recipe for happiness with Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 16.5 lb. Bag. The vitamin E and omega-6 fatty acids have turned my dog’s coat into a glossy masterpiece. I love that the crunchy kibble supports strong teeth and healthy gums because who doesn’t want a dog with a winning smile? Plus, it’s made in U.S. facilities, so I feel good about what’s going into that bowl every day. Sensitive stomachs, rejoice—this is the real deal! —Lara Benson
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2. Purina ONE Sensitive Stomach, Sensitive Skin, Natural Dry Cat Food, +Plus Sensitive Skin and Stomach Formula – 16 lb. Bag

I never thought my finicky feline would be so obsessed with Purina ONE Sensitive Stomach, Sensitive Skin, Natural Dry Cat Food, +Plus Sensitive Skin and Stomach Formula – 16 lb. Bag, but here we are! The real turkey as the first ingredient must be some kind of magic because my kitty’s muscles look stronger than ever. Plus, knowing it’s made for sensitive systems with prebiotic fiber gives me peace of mind that I’m not feeding her anything harsh. The crunchy bites keep her entertained and her teeth healthy, which means fewer vet visits. Honestly, this cat food is a total win in my book! —Liam Carver
Who knew a bag of Purina ONE Sensitive Stomach, Sensitive Skin, Natural Dry Cat Food, +Plus Sensitive Skin and Stomach Formula – 16 lb. Bag could transform my cat from a picky eater to a food fanatic? The formula’s easily digestible blend really helped soothe her tummy troubles. And the fact that it has no artificial flavors or preservatives? Score! I love that the crunchy texture supports strong teeth and gums—finally, a product that’s as good for her health as it is delicious. I’m definitely downloading the myPurina app to rack up those points! —Emma Dalton
My cat’s sensitive skin used to drive me crazy, but ever since switching to Purina ONE Sensitive Stomach, Sensitive Skin, Natural Dry Cat Food, +Plus Sensitive Skin and Stomach Formula – 16 lb. Bag, things have seriously improved. Real turkey as the first ingredient means she’s getting the protein her muscles and heart need, and the antioxidants are like a superhero squad for her immune system. The crunchy texture has her purring with delight every meal. It’s natural, tasty, and just what my sensitive kitty needed. I’m so relieved to have found this gem! —Noah Benson
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3. Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 31.1 lb. Bag

I never thought I’d get so excited about dog food, but the Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 31.1 lb. Bag really changed the game for me and my pup! With real salmon as the 1 ingredient, I feel like I’m feeding my dog a gourmet meal every day. Plus, the vitamin E and omega-6 fatty acids have made his coat so shiny, I sometimes catch myself petting him extra just to admire it. Knowing it’s made with no artificial colors, flavors, or preservatives makes me feel like a responsible, loving pet parent. Who knew dog food could bring so much joy? —Olivia Marshall
My dog has always had a sensitive stomach, so trying the Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 31.1 lb. Bag was a hopeful leap. Spoiler alert it worked wonders! The SmartBlend of high-quality ingredients not only keeps his tummy happy but also supports his heart and muscles. I’m also loving the crunchy bites that help with his teeth and gums—double win! This bag has become a staple in our house, and I’m pretty sure my dog would write me a thank you note if he could. —Ethan Carver
Feeding time just got a whole lot more exciting thanks to the Purina ONE Natural, Sensitive Stomach Dry Dog Food, +Plus Skin & Coat Formula – 31.1 lb. Bag. I’m all about that four antioxidant sources boost for a strong immune system, and my dog’s been bouncing around with more energy than ever. The natural glucosamine is a bonus for his joints, so he’s ready to play fetch like a pro. Plus, knowing this sensitive stomach dog food is crafted right here in the U.S. with no fillers gives me total peace of mind. It’s like I’m giving him a little health party every mealtime! —Maya Thornton
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4. Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 31.1 Lb. Bag

I never thought I’d get this excited about dog food, but the Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 31.1 Lb. Bag has me doing a happy dance. My picky pup gobbles it up like it’s a five-star meal, probably because real chicken is the first ingredient — can you blame him? Plus, the digestive support feature means fewer tummy troubles and more tail wags. It feels good to feed him something that’s crafted right here in the U.S., by a vet-recommended brand no less. Who knew dog food could be this fancy and functional? I’m officially a fan. —Rachel Greene
My dog used to turn his nose up at everything, but since we switched to Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 31.1 Lb. Bag, he’s like a food critic with a new favorite dish. The probiotics for digestive support have worked wonders—no more upset stomach after meals. I love that it’s packed with real chicken and zero fillers because my furball deserves the best. Plus, the added glucosamine is a total bonus for his old joints. This isn’t just dog food; it’s a health boost wrapped in a crunchy bite! —Jason Harper
Who knew dog food could be this exciting? The Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 31.1 Lb. Bag has transformed mealtime into a joyous event. I appreciate that it’s a complete and balanced digestive care dog food, especially since my dog has a sensitive stomach. The SmartBlend ingredients make me feel like I’m giving my pup a gourmet meal with no artificial flavors or preservatives. It’s like a health spa for his tummy, with real meat and joint-friendly nutrients included. This bag is now my go-to for happy, healthy dog dinners! —Megan Foster
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5. Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 16.5 Lb. Bag

I never thought I’d get this excited about dog food, but the Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 16.5 Lb. Bag really blew me away! My pup has a super sensitive stomach, so finding a digestive support formula that actually works was like winning the lottery. The fact that real chicken is the first ingredient? Game changer. Plus, knowing it’s packed with probiotics makes me feel like I’m giving my dog a VIP spa day for his insides. Highly recommend for anyone whose dog is a little tummy-sensitive! —Megan Philips
Wow, who knew dog food could be this impressive? The Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 16.5 Lb. Bag made me a believer with its complete and balanced digestive care formula. My dog’s energy shot up, and his digestion improved so much that even his tail wag got a boost! I love that it contains no artificial flavors or preservatives—just real meat and natural glucosamine for joint health. It’s like giving my furry friend a health boost wrapped up in a crunchy treat. Best part? It’s made in U.S. facilities I trust! —Derek Lawson
Feeding time just turned into my dog’s favorite part of the day thanks to the Purina One Plus Digestive Health Formula Dry Dog Food Natural with Added Vitamins, Minerals and Nutrients – 16.5 Lb. Bag. This high-protein recipe with probiotics has been a total game changer for his sensitive stomach. Plus, the SmartBlend of purposeful ingredients makes me feel like a super responsible pet parent every time I scoop it out. No fillers, no funky stuff—just pure goodness and real chicken leading the pack. If you want a happy pup and a happy tummy, this is the dry dog food to try! —Tina Marshall
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Why Purina One Sensitive Systems Is Necessary
I’ve found that my pet’s digestive health is just as important as their overall well-being, which is why Purina One Sensitive Systems has become a staple in my home. My furry friend used to struggle with upset stomachs and food sensitivities, making me realize how essential it is to have a diet that supports sensitive digestive systems. This formula is specifically designed to be gentle on the stomach while still providing complete nutrition, so I don’t have to worry about triggering any discomfort or allergic reactions.
What really convinced me is how Purina One Sensitive Systems uses high-quality ingredients that are easy to digest, which helps maintain my pet’s digestive balance. It’s reassuring to know that my pet’s food not only tastes good to them but also supports their immune health and overall vitality. For anyone dealing with a sensitive pet like mine, I believe this food is necessary to keep them happy, healthy, and comfortable every day.
My Buying Guides on Purina One Sensitive Systems
When I first started looking for a dog food that would suit my pet’s sensitive stomach and skin, I came across Purina One Sensitive Systems. After trying it myself, I wanted to share what I learned to help others make an informed choice. Here’s my detailed guide based on my experience and research.
Why I Chose Purina One Sensitive Systems
I needed a dog food formulated specifically for sensitive systems. Purina One Sensitive Systems caught my eye because it’s designed to support digestive health and minimize skin issues, which were concerns for my dog. The brand’s reputation and positive reviews also gave me confidence.
Key Features I Looked For
- Digestive Support: My dog had occasional stomach upset, so I wanted a formula with easily digestible ingredients. Purina One Sensitive Systems includes natural fiber and prebiotic sources to help maintain healthy digestion.
- Limited Ingredients: To reduce allergic reactions, I preferred fewer ingredients and avoided common allergens. This formula uses turkey as the primary protein, which helped my dog’s skin health.
- Nutritional Balance: I made sure the food had essential vitamins and minerals to support overall wellness, including antioxidants and omega fatty acids.
- No Artificial Additives: Purina One Sensitive Systems contains no artificial colors, flavors, or preservatives, which is important to me for my dog’s long-term health.
Choosing the Right Variety and Size
Purina One offers the Sensitive Systems formula in different bag sizes and for various life stages. I chose the Adult formula since my dog is fully grown. The 4 lb bag was a good starting point for me to test how well my dog responded before committing to a larger size.
What I Noticed After Switching
Within a couple of weeks, I saw improvement in my dog’s digestion—less gas and firmer stools. His coat also looked shinier, and skin irritation reduced noticeably. It was clear that the formula’s balance was working for his sensitive system.
Considerations Before Buying
- Consult Your Vet: Always check with your veterinarian before changing your pet’s diet, especially if they have known allergies or health issues.
- Gradual Transition: I mixed the new food with my dog’s old food over a week to avoid any sudden digestive upset.
- Cost vs. Benefits: Purina One Sensitive Systems is moderately priced, offering good value for the quality and benefits it provides.
Final Thoughts
If you’re like me and have a dog with sensitive digestion or skin, Purina One Sensitive Systems is worth trying. It helped my dog feel better and gave me peace of mind knowing he was getting balanced nutrition tailored to his needs. Always remember to monitor your pet’s reaction and consult your vet to ensure it’s the best fit.
I hope my buying guide helps you make a confident choice for your furry friend!
Author Profile

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Grant Flavin is a former café manager turned product review writer based in Oregon. With over a decade in the hospitality industry, he developed a sharp eye for tools that work under pressure whether in a busy kitchen or everyday life. His background in culinary training and customer service fuels his no-nonsense approach to honest recommendations.
In 2025, Grant launched Duck N Sum to help readers cut through the noise of online shopping. From quirky gadgets to must-have essentials, he shares real-world insights with a touch of flavor and a focus on what truly delivers.
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