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The 8 Best diet dog food of 2025

Are you trying to find diet dog food among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling diet dog food on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 22 hours of research and did 22 diet dog food tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best diet dog food you can buy today

SaleNo. 1
Blue Buffalo Life Protection Formula Healthy Weight Adult Dry Dog Food, Supports an Ideal Weight, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 30-lb. Bag
47,713 Consomer Reviews
Blue Buffalo Life Protection Formula Healthy Weight Adult Dry Dog Food, Supports an Ideal Weight, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 30-lb. Bag
  • REAL CHICKEN FIRST: This Blue Buffalo dry dog food is made with real, high quality chicken as the #1 ingredient
  • HIGH QUALITY NATURAL FOOD: BLUE's natural dry dog food is made with premium ingredients and contains no chicken or poultry by-products, corn, wheat or soy
  • WEIGHT MANAGEMENT: This diet supports lean muscle development with high-quality protein plus L-Carnitine, and has an ideal caloric balance
  • CONTAINS IMMUNITY-BOOSTING LIFESOURCE BITS: LifeSource Bits contain a precise blend of antioxidants, vitamins and minerals to support immune system health, life stage needs and a healthy oxidative balance
  • Contains: One (1) 30-lb. bag of BLUE Life Protection Formula Adult Healthy Weight Dry Dog Food, Chicken and Brown Rice
  • FORMULA ADJUSTMENTS: From time to time, we make slight adjustments to our formulas that do not impact our Guaranteed Analysis nor introduce new allergens and, as such, no transition period between formulas is necessary
SaleNo. 2
Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 31.1 Lb. Bag
  • Weight control dog food made with high-quality protein sources, including real turkey as the number 1 ingredient, to promote strong muscles including a healthy heart
  • Four antioxidant sources in this wholesome dog food for immune support for dogs, and natural glucosamine sources support dog joint health
  • Deliciously crunchy dog kibble and tender meaty morsels combine for a taste and texture dogs love and work with added calcium for a premium dog food that supports strong teeth and healthy gums
  • Purina ONE Plus Healthy Weight High-Protein Formula dog food features omega-6 fatty acids, vitamins and minerals to support a shiny, healthy skin and coat for dogs
  • Adult dog food is crafted in Purina-owned U.S. facilities and supplies 100 percent complete and balanced nutrition for adult dogs with 0 percent fillers, meaning every ingredient has a purpose
SaleNo. 3
IAMS Adult Healthy Weight Control Large Breed Dry Dog Food with Real Chicken, 29.1 lb. Bag
  • Healthy Weight Large Breed Dry Dog Food: If your dog has weight issues, this dry dog food with real chicken and 17 percent less fat than our Minichunks recipe can give them the support they need to help them maintain a healthy weight
  • Veterinarians Recommend IAMS: Features a wholesome blend of fibers and natural prebiotics for healthy digestion and L-carnitine to help support a healthy metabolism, plus premium-quality protein from chicken and egg to help promote strong muscles
  • Complete and Balanced Adult Nutrition: IAMS Dog Food is made with high quality animal protein and no artificial preservatives, flavors or fillers, for complete and balanced nutrition
  • Tailored to Your Dog: We carry a full line of foods for your dog's age, size and dietary needs from puppy to adult to mature, small breeds to large, and with recipes to support healthy weight and digestion
  • IAMS Super Premium Dog Food: Choose the nutrition that brings out your dog's best, tailored for their unique needs; Our high-quality, premium recipes are made in the USA with the finest ingredients from around the world
No. 4
Natural Balance Original Ultra Fat Dogs Chicken Meal, Salmon Meal & Barley Recipe Adult Dry Dog Food, 4 lbs.
  • CHICKEN MEAL IS THE FIRST INGREDIENT providing essential protein and amino acids to help maintain strong muscles; Peas, oat groats, and barley are included as a healthy and rich source of fiber for digestive health; Contains (1) 4-Pound bag
  • TARGETED NUTRITION Formulated with quality protein, wholesome grains, added vitamins, and a special fiber blend to help your dog feel full and satisfied
  • ULTRA REDUCED CALORIES Scale back on the calories, not the taste! Made with the same whole ingredients your dog loves, this delicious, reduced calorie formula has fewer calories to help your dog maintain a healthy weight
  • NUTRITION FOR EVERY TYPE OF DOG Any dog can enjoy our delicious recipes, not just dogs with sensitive stomachs, irritable skin or allergies; Our purposefully crafted formulas reduce the number of ingredients without sacrificing taste or nutrition
  • SAFETY & TRANSPARENCY Natural Balance's 'Feed with Confidence' program tests every batch of food from start to finish, ensuring safety with every bite; Validate bag on our site or call our Customer Care Team of Registered Veterinary Technicians
No. 5
IAMS Proactive Health Healthy Weight Control Adult Dry Dog Food with Real Chicken, 15 lb. Bag
  • Healthy Weight: Contains premium nutrition with L-carnitine & less fat to support healthy weight in adult dogs
  • Healthy Energy: Wholesome grains provide essential nutrients & carbohydrates for healthy energy
  • Supports Strong Muscles: Supports strong, firm muscles with protein sourced from chicken & egg
  • Less Fat and Healthy Metabolism: Supports Healthy Metabolism with L-Carnitine and contains 17% less fat than IAMS MINICHUNKS
  • 15 lb. Bag: Contains one (1) 15 lb. bag IAMS PROACTIVE HEALTH Healthy Weight Control Adult Dry Dog Food with Real Chicken
SaleNo. 6
Hill's Science Diet Perfect Weight, Adult 1-6, Weight Management Support, Dry Dog Food, Chicken Recipe, 25 lb Bag
  • Safe & effective weight loss with visible results within 10 weeks
  • Healthy weight maintenance & long lasting weight support
  • Lean muscle support
  • Made in the USA with global ingredients you can trust
  • #1 Veterinarian Recommended
SaleNo. 7
Blue Buffalo Life Protection Formula Healthy Weight Adult Dry Dog Food, Supports an Ideal Weight, Made with Natural Ingredients, Chicken & Brown Rice Recipe, 5-lb. Bag
  • REAL CHICKEN FIRST: This Blue Buffalo dry dog food is made with real, high quality chicken as the #1 ingredient
  • HIGH QUALITY NATURAL FOOD: BLUE's natural dry dog food is made with premium ingredients and contains no chicken or poultry by-products, corn, wheat or soy
  • WEIGHT MANAGEMENT: This diet supports lean muscle development with high-quality protein plus L-Carnitine, and has an ideal caloric balance
  • CONTAINS IMMUNITY-BOOSTING LIFESOURCE BITS: LifeSource Bits contain a precise blend of antioxidants, vitamins and minerals to support immune system health, life stage needs and a healthy oxidative balance
  • Contains: One (1) 5-lb. trial-size bag of BLUE Life Protection Formula Adult Healthy Weight Dry Dog Food, Chicken and Brown Rice
  • ENHANCED IMAGERY: We have enhanced our digital product packaging to highlight our products’ ingredients and essential benefits; While the physical packaging will differ slightly, all information is accurate
SaleNo. 8
Hill's Science Diet Light , Adult 1-5, Large Breed Weight Management Support, Dry Dog Food, Chicken & Barley, 30 lb Bag
  • Low calorie & L-Carnitine to promote ideal body weight
  • High quality protein and natural fibers to help satisfy hunger between meals
  • Omega-6s and vitamin E for beautiful skin and coat
  • Made in the USA with global ingredients you can trust
  • #1 Veterinarian Recommended
No. 9
Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 16.5 lb. Bag
  • Weight control dog food made with high-quality protein sources, including real turkey as the number 1 ingredient, to promote strong muscles including a healthy heart
  • Four antioxidant sources in this wholesome dog food for immune support for dogs, and natural glucosamine sources support dog joint health
  • Deliciously crunchy dog kibble and tender meaty morsels combine for a taste and texture dogs love and work with added calcium for a premium dog food that supports strong teeth and healthy gums
  • Purina ONE Plus Healthy Weight High-Protein Formula dog food features omega-6 fatty acids, vitamins and minerals to support a shiny, healthy skin and coat for dogs
  • Adult dog food is crafted in Purina-owned U.S. facilities and supplies 100 percent complete and balanced nutrition for adult dogs with 0 percent fillers, meaning every ingredient has a purpose
SaleNo. 10
Purina Pro Plan Large Breed Weight Management Dog Food, Chicken & Rice Formula - 34 lb. Bag
1,535 Consomer Reviews
Purina Pro Plan Large Breed Weight Management Dog Food, Chicken & Rice Formula - 34 lb. Bag
  • High protein formula, with real Chicken as the first ingredient
  • High protein formula, with real chicken as the first ingredient
  • Fortified with live probiotics to support digestive and immune health
  • Used to be known as FOCUS Weight Management Large Breed Formula
  • Optimal protein-to-fat ratio helps maintain muscle mass during weight loss
  • Packaging may vary
SaleNo. 11
Hill's Science Diet Light , Adult 1-6, Weight Management Support, Small Kibble, Dry Dog Food, Chicken & Barley, 5 lb Bag
5,212 Consomer Reviews
Hill's Science Diet Light , Adult 1-6, Weight Management Support, Small Kibble, Dry Dog Food, Chicken & Barley, 5 lb Bag
  • Low calorie & L-Carnitine to promote ideal body weight
  • High quality protein and natural fibers to help satisfy hunger between meals
  • Omega-6s and vitamin E for beautiful skin and coat
  • Made in the USA with global ingredients you can trust
  • #1 Veterinarian Recommended
No. 12
Rachael Ray Nutrish Dry Dog Food, Turkey, Brown Rice & Venison Recipe for Weight Management, 13 Pounds
  • Contains (1) 13 Pound Bag of Dry Dog Food. For a limited time, you may receive either bag as we update our packaging
  • Farm-raised turkey is the #1 ingredient
  • L-Carnitine to help support healthy weight & metabolism
  • No poultry by-product meal, filler, wheat, or wheat gluten ingredients
  • Natural dog food with added vitamins & minerals
No. 13
Hill's Science Diet Perfect Weight, Adult 1-6, Small & Mini Breeds Weight Management Support, Dry Dog Food, Chicken Recipe, 4 lb Bag
  • Safe & effective weight loss with visible results within 10 weeks
  • Healthy weight maintenance & long lasting weight support
  • Lean muscle support
  • Made in the USA with global ingredients you can trust
  • #1 Veterinarian Recommended
No. 14
Pedigree Healthy Weight Adult Dry Dog Food, Roasted Chicken and Vegetable Flavor, 14 lb. Bag
1,189 Consomer Reviews
Pedigree Healthy Weight Adult Dry Dog Food, Roasted Chicken and Vegetable Flavor, 14 lb. Bag
  • Low Fat: This dry dog food recipe is tasty and low fat, so your dog can enjoy their meal without the guilt.
  • Great Tasting: Pedigree Healthy Weight Adult Dry Dog Food, Roasted Chicken and Vegetable Flavor is a great tasting recipe with whole grains, protein, and accents of vegetables.
  • Supports Healthy Skin and Coat: Pedigree Healthy Weight Adult Dry Dog Food, Roasted Chicken and Vegetable Flavor is enriched with Omega 6 Fatty Acid and Zinc to help nourish a healthy skin and coat.
  • Quality Nutrition: This dry dog food recipe is made with 36 vitamins, minerals, and amino acids to support your dog’s health and vitality.
  • Contains one (1) 14 lb. Bag of Pedigree Healthy Weight Adult Dry Dog Food, Roasted Chicken and Vegetable Flavor.
No. 15
Purina Pro Plan Weight Management Dog Food With Probiotics for Dogs, Chicken & Rice Formula - 18 lb. Bag
  • Protein-to-fat ratio is optimized to maintain muscle mass during weight loss
  • High protein formula, with real chicken as the first ingredient
  • Fortified with guaranteed live probiotics for digestive and immune health
  • Used to be known as FOCUS Weight Management Formula
  • Natural prebiotic fiber nourishes specific intestinal bacteria for digestive health
No. 16
Blue Buffalo True Solutions Healthy Weight Natural Dry Food for Adult Dogs, Chicken, 11-lb. Bag
  • REAL CHICKEN FIRST: This Blue Buffalo dog food is made with real, high-quality chicken as the #1 ingredient
  • WEIGHT MANAGEMENT: This Blue Buffalo dry cat food promotes a healthy weight with an ideal caloric balance, L-Carnitine to support ideal body composition, and enriched fiber to help dogs feel full
  • IMMUNE SYSTEM SUPPORT: Blue Buffalo dog food contains exclusive, antioxidant-rich LifeSource Bits
  • HEALTHY, WHOLESOME INGREDIENTS: This dry dog food is made with no chicken (or poultry) by-product meals and no corn, wheat, or soy
  • Contains: One (1) 11-lb. bag of BLUE True Solutions Healthy Weight Natural Dry Food for Adult Dogs, Chicken
  • ENHANCED IMAGERY: We have enhanced our digital product packaging to highlight our products’ ingredients and essential benefits; While the physical packaging will differ slightly, all information is accurate
No. 17
Nutro Natural Choice Adult Healthy Weight Dry Dog Food, Chicken and Brown Rice, 30 lbs.
  • Made With Real Chicken: This dry dog food recipe is made with real chicken as the #1 ingredient in this protein-rich recipe.
  • Quality Recipe: This dry dog food is crafted with no chicken by-product meal, no artificial flavors or colors, no artificial preservatives, no corn, wheat, or soy protein, although trace amounts may be present due to potential cross-contact during manufacturing.
  • Supports Vitality: Nutro Natural Choice Adult Healthy Weight Dry Dog Food promotes healthy vitality by supporting healthy skin & coat, healthy digestion, and immunity for your dog.
  • Supports Healthy Weight Loss: This dry dog food recipe is crafted with a blend of protein and fiber to support healthy weight loss.
  • Contains One (1) 30 lb. Bag of Nutro Natural Choice Adult Healthy Weight Dry Dog Food, Chicken & Brown Rice Recipe.
  • Fine Ingredients: This dry dog food recipe is crafted in our USA facilities with the finest ingredients from around the world.
No. 18
Hill's Science Diet Perfect Weight & Joint Support, Adult 1-6, Weight Management & Joint Support, Dry Dog Food, Chicken & Brown Rice, 12 lb Bag
  • Safe & effective weight loss with visible results within 10 weeks
  • Supports join function and hip health
  • Made with glucosamine and chondroitin for healthy cartilage
  • Made in the USA with global ingredients you can trust
  • #1 Veterinarian Recommended
No. 19
Hill's Science Diet Sensitive Stomach & Skin, Adult 1-6, Stomach & Skin Sensitivity Support, Dry Dog Food, Chicken Recipe, 30 lb Bag
  • Precise balance and highly digestible ingredients for sensitive stomachs and for dogs with sensitive skin
  • Prebiotic fiber to fuel beneficial gut bacteria and support a balanced microbiome
  • Omega-6s & Vitamin E to promote a healthy coat
  • Made in the USA with global ingredients you can trust
  • #1 Veterinarian Recommended
No. 20
IAMS Adult Healthy Weight Control Dry Dog Food with Real Chicken, 29.1 lb. Bag
  • Healthy Weight: Contains premium nutrition with L-carnitine & less fat to support healthy weight in adult dogs
  • Healthy Energy: Wholesome grains provide essential nutrients & carbohydrates for healthy energy
  • Supports Strong Muscles: Supports strong, firm muscles with protein sourced from chicken & egg
  • Less Fat and Healthy Metabolism: Supports Healthy Metabolism with L-Carnitine and contains 17% less fat than IAMS MINICHUNKS
  • 29.1 lb. Bag: Contains one (1) 29.1 lb. bag IAMS PROACTIVE HEALTH Healthy Weight Control Adult Dry Dog Food with Real Chicken

How to choose a good diet dog food

Does the idea of finding a fantastic diet dog food make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in diet dog food. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top diet dog food products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top diet dog food on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top diet dog food brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top diet dog food based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the diet dog food were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good diet dog food, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your diet dog food.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting diet dog food for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our diet dog food. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what diet dog food should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on diet dog food.