best weight gain dog food

6 Best Weight Gain Dog Foods & Supplements 2019

Specific dog food for weight gain is essential if your dog cannot put on any weight from standard food. A dog that is underweight may have an illness, which should be rectified before purchasing the best weight gainer food for dogs.

The best weight gainer supplements for dogs is the Formula Mass Weight Gainer with added vitamins for overall health.

In order to speed up the weight gain, using the Merrick Grain Free Dry Dog Food will add even more protein, nutrients and calories for healthy weight gain.

Helping your dog bulk up should not involve feeding them surplus normal food but rather the correct high calorie dog food for weight gain.

Best Dog Food & Supplements For Skinny Dogs

Dog Weight GainerTypeOur Rating
Formula MassSupplement4.9
Merrick Grain FreeFood4.9
Purina Pro Plan FocusFood4.8
Earthborn HolisticFood4.7
Trophy Dyne High CalorieSupplement4.6
Muscle Bully GainsSupplement4.8

For your dog to put weight on safely, they need to eat high calorie dog food for weight gain that won’t upset their stomach. There are various high calorie canned and dry dog food as well as weight gain supplements that are great for dogs.

High calorie dog foods for muscle and weight gain are readily available online with many including wide ranging nutrients. Some weight gainers are specific to certain breeds, certain ages (i.e. puppies) and many are for all breeds or ages.

Regular dog feeding during the day matched with high quality calorific dog food filled with protein is the best method of bulking up. Below is a list of the best high calorie dog food for weight gain with a range of breeds and age specific food.

Formula Mass Weight Gainer

Formula Mass Weight Gainer by MVP K9 is a high calorie dog food for all breeds that will assist with helping your dog bulk up. The American made weight gainer contains 26% protein and 56% good fats for adding healthy mass to your dogs body.

The Formula Mass Weight Gainer works well with all dog breeds including puppies and nursing mothers that need the vital ingredients. From using this formula, you will see your dogs size, energy and muscle all increase.

The Formula Mass Weight Gainer for Dogs is a weight gain supplement for dogs that you simply add to your dogs food. It binds to the food on contact and provides vast amounts of protein and healthy fats alongside the 18 BCCA’s.

If you have a skinny dog needing a high calorie and healthy new dog food to increase their weight, the Formula Mass formula is the best weight gainer for dogs. The easily digested fats and protein mixed with the 18 BCCA’s will aid the healthy weight gain.

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Merrick Grain Free Dry Dog Food


The Merrick Grain Free Dry Dog Food is a grain free, 70% protein formula high in omega 3 and 6. The protein within the weight gain dog food comes via deboned chicken, chicken meal and turkey meal.

Per serving there is 38% protein, which is a serious amount of protein for dog food. The protein comes from a mixture of meat and fish that health promote muscle gain with the addition of omega 3 and 6 for healthy skin and coat.

In terms of flavor, your dog will be very happy with up to 10 flavors to choose from and various sizes. For dogs with sensitive stomachs, this formula is also grain free and contains glucosamine and chondroitin for healthy joints.

For the best healthy weight gain, feeding your dog Merrick Grain Free Dry Dog Food and using the Formula Mass Weight Gainer additive you will see fast and noticeable results.

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Purina Pro Plan Focus

The Purina Pro Plan Focus is a high quality dog food for large breeds made with large amounts of protein, real chicken and natural prebiotic fiber. There are designated formulas for small, medium and large dog breeds for the perfect healthy diet.

The ingredients include high quality protein from real chicken but also plenty of omega 3 and 6 fatty acid and glucosamine to help support healthy joints. Often dog joint supplements are an additive to dog food but the Purina Pro Focus includes this, which is a real benefit over competitors.

There is 26% of crude protein and 12% crude fat, which is ideal for a dog looking to gain mass and muscle. We strongly recommend this dog food for a dog that is only slightly underweight in order to maintain a balanced diet but high protein intake.

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Earthborn Holistic Great Plains Feast

Earthborn is a high quality grain free dog food made with lean red meat bison meal that has high amounts of protein. The price of the Earthborn Holistic is slightly inflated compared to the Purina but this is due to the higher quality ingredients.

The mixture of lean red meat proteins and egg proteins are the highest in terms of gaining muscle. On top of this, the Earthborn Holistic formula is completely grain free with no fillers for dogs with sensitive stomachs that want to gain weight.

Mixing this food with either of the additives listed within this article will result in your dog gaining weight quickly. The importance of high quality dog food for muscle growth with weight gainer formulas is the best way for a dog to gain weight.

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Trophy Dyne High Calorie Dog Supplement


Trophy Dyne by Lambert Kay is a liquid form of high calorie intake for a dog that is struggling to keep weight on. Per ounce of Dyne liquid, there is 150 calories and 1.9% of crude protein and 48.3% crude fat.

The main benefits of the high calorie liquid supplement is to provide more calories easily as well as more nutrients for a dog. Simply add the correct serving amount to your dogs food and the steady weight gain will be noticeable.

It is a very popular form of weight gain supplement for dogs due to its very reasonable price. The other additives are premium products and have high protein, which is reflected within the price.

Dogs love the taste and the fact it add healthy nutrients to your dogs diet is a big plus. It is the complete opposite to empty calories and will see your dog gaining weight quickly without the need of additional food.

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Muscle Bully Gains for Bullies

Muscle Bully is the best weight gain dog food for all bull breeds with crude protein of 26% and crude fat of 50% that will add weight to your underweight dog.

There are various different types of Muscle Bully Gains but for the best results, the Gains, Vitamins and Protein package is the ultimate weight gainer for dogs.

This dog food is veterinarian approved and has over 17 amino acids per serving with a 100% satisfaction guarantee.

If your bull breed dog is looking skinny and wants to add healthy weight to their body mass, Muscle Bully Gains for Bullies is the best buy.

The high quality ingredients also aid with muscle recovery and skin as well as being tested thoroughly and following GMP guidelines.

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How To Help Your Dog Gain Weight

Using the best weigh gain dog food is the first step but you shouldn’t overfeed them with food. Your dog wouldn’t have lost all their weight in a few days and they shouldn’t gain it all back in a few days. There are certain methods you can do to help your dog gain weight, these include:

  1. High Calorie Protein Rich Food. Avoid feeding them too much normal food and look for high calorie and high protein dog food that you can feed them on a regular basis. Smaller meals but more frequently may also encourage your dog to eat more.
  2. High Quality Treats. Feeding your dog treats can be an additional source of rich nutrients that include protein and other natural ingredients to aid healthy weight gain. Avoid fatty or table leftover food as this can be a poor method of weight gain.
  3. Add Water To Dry Food. It is a known fact that dogs will take longer to eat dry food than wet food. When a dog takes longer to eat, they fill up quicker before they have even finished their food. Adding water will make the food mushy and quicker to consume for the dog.
  4. Exercise To Bulk.  As with human weight gain, you must exercise and perform weight resistance exercise with a good healthy diet. Matching weight gaining dog food with exercise is a perfect way to add dense muscle to your dogs body.
  5. Avoid Empty Calories. Feeding your dog food such as bread or other human food is not providing your dog with a nutritious meal. In fact they are losing vital nutrients which they require for a healthy diet.

However, if you are following the above tips with no luck, you may want to speak with a vet. Your dog may have an illness or disease that requires attention before beginning a new diet on weight gaining dog food.

Worms Causing Weight Loss

Alongside illnesses and disease that your dog could have, they may even have tapeworm or other internal parasite. It is very hard to find whether your dog has worms but it can explain rapid or sudden weight loss. A tapeworm will is essence steal some of the vital ingredients that your dog needs.

A telltale sign that your dog may have tapeworms or other internal parasites is your dog itching or licking their “behind”. This is primarily due to the irritation caused by worms (as you can imagine) and will need treating.

The normal treatment for worms is praziquantel with many products such as Bayer Tapeworm Dewormer being readily available online.

How To Tell If Your Dog Is Underweight

Compared to overweight dogs, determining whether your dog is underweight to it ideal size is fairly easy. Simply look at your dog from the side and check to see if their is an indent between their ribs and hips or if their back is very skinny.

If the dogs bones have very little fat and their ribs and bones are very prominent, it is fairly simple to diagnose an underweight dog.

Dog Weight Gain Food Buyers Guide

Depending on the level of activity your dog does during the day, they should usually consume between 1600 and 2200 calories per day (depending on breed). If your dog is not achieving this amount of calories, they may start to lose weight.

High calorie dog food should contain at least 30% of protein within the ingredients. This helps build muscle and maintain a healthy diet as opposed to consuming all fatty dog food.

Canned food is often more calorific and easier for a dog to eat. However, sticking to dry food and pouring hot water to make the food more moist can make it easier for the dog to eat and thus eat more.

Unlike our article about weight loss food for dogs, the weight gaining food can contain more ingredients. These ingredients can include more nutrients such as omega 3 and 6 and other nutritious elements.

A popular weight gaining food is for the bull breed where owners prefer more bulk on their dogs. Its important that you check whether the dog weight gain food is for your dogs breed. However, the majority of dog foods will be designed for all breeds.

Some owners will include supplements such as tablets, powder and other additives to further enhance the calorie intake. This is a good method of boosting the calories however be sure to not overdo it because this cause adverse effects.

Our recommendation for a dog to gain weight quickly is to use the Formula Mass Weight additive with Merrick grain free dog food. This match of weight gainers include a large amount of protein for muscle growth as well as healthy fats.

For the best all rounder in terms of high calorie dog food, the Formula Mass is the best buy. Simply switching from your dogs regular food, following our tips and ensuring your dog is healthy can see great results. Do not fall into the trap of feeding your dog empty calories such as human food to build mass, because this simply does not work. It does the opposite and bloats your dog so that they do not want to eat their nutritious food.

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