Best Diet Dog Foods

10 Best Diet Dog Foods Of 2021 (Buying Guide and Reviews)


Is your pet overweight or gaining weight day by day? Then start taking care of it more. To stay healthy, your dog needs to have a proper diet along with some exercise. But if you are planning to serve him small portions of food for losing weight, then probably you are thinking wrong. If you do so, he might feel hungry again after some time. So, feed him diet food instead. Here are a few of the best diet dog foods.


1) Nutro ULTRA Adult Weight Management Dog Food

NUTRO ULTRA Adult Weight Management High Protein Natural Dry Dog Food for Weight Control with a Trio of Proteins from Chicken, Lamb and Salmon, 30 lb. Bag

The food is wet and all-natural, with a balanced amount of nutrition that promotes weight loss in adult dogs.

Ingredients such as lamb, chicken, turkey, and salmon are present, making it very tasty. The addition of rice, pumpkins, carrots makes the dogs healthy as it has carbohydrates, minerals, and vitamins.

The customer reviews are excellent as there are no added preservatives, artificial colors, or flavors, not even corn or soy. The pack of 12 cans contains 12.5 ounces apiece and costs $25. Wet food is more expensive than other diet food products.



-Enriched with proteins

-Promotes healthy digestion

-Has superfood medley

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2) Natural Balance Fat Dogs Dry Dog Food

Natural Balance Fat Dogs Low Calorie Dry Dog Food, Chicken Meal, Salmon Meal, Garbanzo Beans, Peas & Oatmeal, 28 Pounds (Packaging May Vary)

The Natural Balance Fat Dogs Dry Dog Food maintains as well as loses weight in a required amount. It is low in calories.

The balance of fibers and protein keeps your dog’s belly full throughout the day. It is rich in protein that helps your pet retain muscle mass. But always keep in mind that it requires exercise as well.

The protein is a blend of garbanzo beans, salmon meal, and chicken meal, along with barley, egg, pea fiber, and oats. Apart from these, it also contains necessary vitamins, omega3, and omega6 fatty acids, and minerals that maintain your pup’s health.

The 28pound pack comes in at $55. Even though it is expensive, it is one of the best foods that have a low-calorie count. You can also purchase a 5pounds or 15pounds pack.


-Balance protein and fiber

-Made in the USA

-Low-calorie formula

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3) Diamond Naturals LIGHT Real Meat Recipe Natural Dry Dog Food

Diamond Pet Foods Naturals Lite - Lamb & Rice - 30 lb

  The product is pocket-friendly. So you need not worry about the budget. Even though it is not one of the top-most diet foods, it does not contain any added preservatives, artificial flavors, or coloring.

According to some of the customer reviews, their dogs did not like the taste, but it is a fact that no dog food is fully flavorful. As a result, you might buy a smaller pack in the beginning.

The main ingredient is lamb protein. Other elements include fruits, whole grains, vegetables, minerals, and vitamins that help digest and maintain your dog’s immune system.


-No added preservatives, artificial color, or flavor

-Ideal for less active dogs

-Includes antioxidants

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4) Blue Buffalo BLUE Life Protection Formula Adult Dry Dog Food Healthy Weight Chicken and Brown Rice

Blue Buffalo Life Protection Formula Natural Adult Healthy Weight Dry Dog Food, Chicken and Brown Rice 30-lb

The product has a brown rice and chicken formula and is ideal for all adult dogs. The food contains low-calories-from-fat-ratio and helps to maintain the immune system while losing weight. The reviews say that their pets find it palatable, but it might be different for various dogs. The main ingredient is deboned chicken. Next, it has a blend of whole grains, fruits, and vegetables. The brand has its Lifesource Bits that include vitamins, minerals, and antioxidants that support the system and make it healthy. It does not contain any additives such as preservatives, color, or flavor.


-Lifesource Bits

-No additives

-Low-calories and fats

-A balanced amount of nutrition

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5) Wellness Core Natural Grain-Free Dry Dog Food Reduced Fat Formula

Wellness CORE Natural Grain Free Dry Dog Food, Reduced Fat, 26-Pound Bag

As the name says, it has a grain-free formula suitable for those who suffer from allergies due to grains. It has a blend of proteins such as turkey meal, turkey, and chicken meal. Also, the vegetables, fruits, meat, Wellness Reduced Fat Formula ( mineral, vitamins, fatty acids) maintain and keep your pet healthy. According to approx 3000 reviews, the product works well. A 26pound pack costs almost $70, making it a bit expensive but worth it.


-255 less fat than the original formula

-Enriched with proteins

-All-natural food elements


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Being overweight is a concerning issue. If your dog is gaining weight, you should immediately feed it diet foods that are available for dogs, or if it is already overweight, then these kinds of edible products are a must.

A dog who is gaining weight should have food that has a low-calorie count. Also, it should exercise as much as possible. By doing this, your pet would stay healthy.

Pets who are less energetic must-have diet food to keep themselves fit. Also, a few senior dogs should go for this as growing up can lead to gaining weight.


There are some characteristics you need to look upon while choosing the right diet food for your pup.

-Calorie count:

Usually, the calorie range per cup in a dog diet food is 250-400. Low-calorie food is suitable for dogs who are not so active, and higher calorie suits energetic dogs who require losing or maintaining weight.


Look for natural food elements. It should consist of meat meals, meats, fruits, vegetables, and whole grains. Also, The product must have some of the essential nutrients like carbohydrates, minerals, and vitamins.

-Artificial additives:

The addition of artificial elements other than natural can affect your dog’s health. Thus, avoid buying those diet foods that include flavorings, colors, and additives.

-Type of Dog:

Diet food that has a usual formula would suit almost everyone. For a few large or small breeds, it would require that particular breed formula.


1) JustFoodForDogs Dog Food

JustFoodForDogs PantryFresh Dog Food, Human Quality Ingredients Ready to Serve Food for Dogs - Beef & Russet Potato (Set of 6)

The grain-free, all-natural dog food consists of sweet potatoes, spinach, diced chicken, and squash. It is rich in protein and suitable for all breeds, sizes, and shapes.

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2) Earthborn Holistic Natural Food for Pet Weight Control

Earthborn Holistic Weight Control Grain-Free Dry Dog Food

The grain-free low-calorie food is recyclable by Earthborn ReBorn Programme and TerraCycle. The product is available in BPA-free packaging. It is made in the USA and promotes your pet’s healthy joints.

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3) Weruva Grain-free Wet Dog Food Cans

Weruva Classic Dog Food, Paw Lickin’ Chicken with Chicken Breast in Gravy, 14oz Can (Pack of 12)

The diet food is wet and grain-free. If your pet is a picky eater or has a sensitive stomach, then this would suit him. Along with vegetables and meat, it contains essential minerals and vitamins.

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4) Merrick Whole Earth Farms Grain-Free Healthy Weight Dry Dog Food

Whole Earth Farms Grain Free Recipe Dry Dog Food, Pork, Beef & Lamb, 25-Pound

It has a balance of protein and fibers that keeps your pet’s stomach full and decreases calorie count and fat.

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5) Blue Life Protection Formula Senior Small Breed Chicken and Brown Rice Dry Dog Food

Blue Buffalo Life Protection Formula Natural Senior Small Breed Dry Dog Food, Chicken and Brown Rice 6-Lb

If you own a small breed senior dog, then this food is ideal for it. The product has glucosamine and chondroitin that promotes healthy joints and antioxidants boosts its immune system.

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6) Wellness Complete Health Natural Dry Small Breed Dog Food

Wellness Natural Pet Food Complete Health Natural Dry Small Breed Healthy Weight Dog Food, Turkey & Rice, 12-Pound Bag

One of the best brands that make all-natural dog diet food, keeping your pup healthy and at the same time losing weight.

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7) AvoDerm Weight Control Chicken and Rice Formula

AvoDerm Natural Weight Management Dry Dog Food, Reduced Fat and Low Calorie, Brown Rice & Chicken Formula

The presence of avocado in this wet diet food keeps the dog healthy and free from gaining weight as it has essential minerals, vitamins, omega fatty acids, and antioxidants. The product is ideal for not-so-active dogs.

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8) Nutro Ultra Chunks in Gravy Canned Dog Food Weight Management Formula

NUTRO ULTRA Adult High Protein Natural Dry Dog Food with a Trio of Proteins from Chicken, Lamb and Salmon, 30 lb. Bag

The low-calorie wet diet food is healthy, tasty, and helps to reduce weight as well. It has plenty of vegetables, fruits, and meats.

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9) Natural Balance Original Ultra Reduced Calorie Dry Dog Food

Original Ultra Whole Body Health Wet Dog Food, 13 Ounce (Pack of 12)

It is a reduced formula than the original one. If your dog is gaining weight, then diet food is ideal for it.

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10) Nutro Wholesome Essentials Weight Management Adult Dry Dog Food

NUTRO NATURAL CHOICE Healthy Weight Adult Dry Dog Food, Chicken & Brown Rice Recipe Dog Kibble, 30 lb. Bag

The diet food has all the essential chicken, sweet potato, and lentils. It is best for those who have a sensitive stomach. The products maintain healthy skin and coats.

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Even though the diet food for dogs suits almost every breed of all ages, consult your vet before purchasing.

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