5 Best Weight Gain Supplement For Horses -Reviews And Buying Guides [2021] - horse mania

5 Best Weight Gain Supplement For Horses -Reviews And Buying Guides [2021]

A horse gain supplements are an effective method for adding concentrated calories to your horse’s diet. This is suitable for horses that are in need of additional fat and calories, weight builders. It also helps horses perform longer without fatiguing and maintain healthy body weight.

The right nutritional support helps your horse perform better, muscle recovery, as well as amino acids, helps your horse to build strong and healthy muscles. That’s why proper weight gain supplement is necessary for your horse’s.

Here some weight gain supplements currently available on the market.

5 Best Weight Gain Supplement For Horses Review :

1. Manna Pro Weight Accelerator for Senior Horses – Best weight gain supplement for senior horses

Manna Pro Weight Accelerator for Senior Horses - Best weight gain supplement for senior horses

The Manna pro senior weight accelerator is formulated to the health concerns of older horses losing weight. It is very delicious to the horse’s taste, so you won’t have to force-feed it to your horses.

This horse weight gain supplements are beneficial for young, energetic, and healthy horses or any horses. It contains 80% of vegetable fat, which is needed for weight gain as well as Omega 3 Fatty Acids supports your horse’s healthy skin and coat condition. It also made with probiotics to support proper digestion and biotin for hoof growth.

This particular supplement is loaded with essential vitamins, and antioxidants support a healthy immune system. It is a fast-acting nutritious feed that contains vital fats, high calories, essential vitamins, and antioxidants.

Key Features

  • Support the healthy immune system.
  • Includes essential vitamins and antioxidants for immune support
  • Item weight 8 pounds
  • Contains biotin for hoof growth
  • these are loaded a high fat and calorie level for weight gain and body condition


  • Easy to feed
  • Probiotics to support proper digestion
  • senior horses love the taste
  • Fat and high calorie
  • Affordable price tag
  • performance horses of any age


  • Variable palatability

2. Purina Animal Nutrition Amplify Equine Supplement

Purina Animal Nutrition Amplify Equine Supplement

The Purina amplify horse feed supplement is an excellent source of healthy fat and protein for your horse. Purina company is famous in the marketplace for its horse supplements. Purina combines healthy fats and protein to create a high-calorie weight gain for the horse’s feed supplement.

This Equine Supplement will boost your horse’s metabolism and stamina. It contains high-fat and your horses like its taste. 

These are loaded omega fatty acids, vitamins, and minerals, as well as added health benefits. It is also excellent for boosting skin health and improving coat condition.

Key Features

  • controlled starch extruded nutritional supplement
  • No Trans-Fats
  • Includes dense calorie formula
  • Weight Gain and Endurance
  • it is rich with vitamins and minerals
  • great for boosting skin health and improving coat condition
  • ASIN: B0751FDYG3
  • Item weight: 54 pounds


  • High-fat
  • boost your horse’s metabolism
  • designed for performance horses
  • added health benefits
  • suitable for your horse’s regular diet
  • maintain healthy muscle and weight
  • the best oil to feed horses for weight gain


  • It is expensive
  • it doesn’t provide enough protein for a growing horse

3. Farnam Weight Builder – Best horse feed for older horses

Farnam Weight Builder - Best horse feed for older horses

The Farnam Weight Builder contains omega-three fatty acids, protein, fat, fiber, calcium, and phosphorus that promotes healthy skin. It is packed with quality ingredients to maintain optimal weight. 

This particular supplement is designed for the dietary requirements of horses at any stage of life. It is nutritionally formulated with 50% fat as well provides more calories per serving. This supplement encourages both weight gain and maintenance.

This active weight builder boosts your horse’s weight as well as promotes a healthy coat and the immune system. This high-calorie horse feed is an ideal choice for performance horses, underweight horses, and seniors.

Key Features

  • Item weight: 8.65 pounds
  • Rich in omega-3 fatty acids
  • No sugar added for horses with dietary restrictions
  • Delivers calming energy for performance
  • Promotes healthy skin and a glossy coat
  • Nutritionally formulated with 50% fat provides more calories per serving.


  • weight builder for horses
  • Ideal for performance horses, underweight horses, and seniors
  • High in fiber and fat
  • without risks associated with high-grain diets
  • encourages both weight gain and maintenance
  • easily metabolized


  • It uses corn oil

4. Horse Guard Super Weight Gain Equine Supplement – Best horse feed for weight gain

Horse Guard Super Weight Gain Equine Supplement - Best horse feed for weight gain

The Horse Guard Super Weight Gain Supplement is equaled to three nutritious contents for your horses. It is perfect for performance horses, neglected horses, growing horses, and even Hard-keepers. 

This Horse Guard trifecta is rich in protein, starch, fat, and sugars. It contains lots of minerals, vitamins, probiotics, and it improves fur and skin health.

This particular model is a soybean-based product that provides support for weight gain through protein and fat. It includes probiotics that support digestion and nutrient assimilation. It is suitable for regular use.

Key Features

  • Vitamin E for faster muscle recovery
  • Item weight: 10 pounds
  • includes the powerful vitamin mineral
  • Building blocks for healthy hair and hooves
  • Your horse like the flavor


  • Improves overall health
  • Easy to feed
  • Probiotics and prebiotics
  • weight gain and performance
  • increase digestive efficiency


  • Some response very little

5. Manna Pro Cool Calories 100 | Equine Dry Fat Supplement for Healthy Weight Gain

Manna Pro Cool Calories 100 | Equine Dry Fat Supplement for Healthy Weight Gain

The Manna Pro Cool Calories is 100% vegetable fat composition that provides fat sourced from the highest-quality vegetable oils. This weight gain supplement for horses is highly digestible and suitable for horses with ultra-sensitive stomachs and picky eaters.

This supplement is suitable for hard keepers, underweight horses, and performance horses. It provides a high-calorie feed supplement. 

It contains fatty acids to support desirable skin and glossy coat condition. The high-calorie density of Cool Calories provides cool, focused energy for performance horses.

It is suitable for all types and ages of horses. This supplement can help to build muscle tone as well as add weight.

Key Features

  • Item weight: 8 pounds
  • ​Comes in a powder that is easy to mix in to dry feed
  • Contains 99% fat, which is an excellent source of calories
  • Contains fatty acids to support desirable skin and glossy coat condition
  • Concentrated source of calories for your horse’s weight and body condition


  • provides refreshing, focused energy for performance horses
  • Highly palatable
  • easy to clean, no oily residue
  • ​The fresh energy source of calories
  • High in fat


  • Can go rancid once opened
  • It causes loose stools

Buying Guides:

Below these things to consider before purchasing a weight gain horse supplement:


Every horse needs to keep its level of energy up. Without energy, horses won’t have the stamina required to work hard. A beneficial weight gain supplement increases energy level as well as added fat for the diet of the horse. You should choose an option that offers the right source of higher fat content, vegetable oil, and all kinds of healthy alternatives.

Taste matters

You must consider the taste of the supplement that you are buying. It is a critical fact of how many vitamins and minerals are present in the supplements. If the supplement is not delicious, your horse won’t eat it.

Mineral supplements

Healthy bone is a crucial term for maintaining the health of your horse. The calcium and phosphorus of these two minerals are helpful for bone health. If this mineral is balanced correctly, it offers stable and healthy bones in the skeletal structure of a horse. You can also add small amounts of chromium, selenium, iodine, manganese, zinc, iron, and copper to perform substantial work or exercise.

Nutrients in the Supplement

you should also pay attention to the nutrients in the supplements you are buying. You should consider the nutrients like amino acids, antioxidants, and protein, additional supplements that are necessary for your horse’s health.

Vitamin supplements

Vitamin plays an essential rule in the growth of a horse. You should consider a feed that delivers the right amount of vitamins so that a horse doing all kinds of activity. You must find the highest quality vitamin.

Frequently Asked Questions (FAQs):

How to make a horse gain weight and muscle?

There are many reasons that a horse can be underweight. To make a horse healthy, you should consider hay or pasture grass. A proper feed supplement is necessary for growing horses, horses under heavy training, pregnant or nursing mares, or old or sick horses because they need more calories than grass hay or pasture can provide.

Why do horses lose their weight?

Horses lose their weight due to health complications, age, or even mental problems. Other reasons like travel, excessive training or activity, and insufficient forage can cause loss of weight.

Which forages are best for my horse?

Hay and grass are the perfect forages for your horse. Hay is rich in vitamins and minerals that are good for boosting your horse’s health. On the other hand, grass contains silica, which is essential for your horse’s dental health. The Supplements are additional sources of nutrients that can help your horse’s dietary requirements. It is necessary when a horse needs more calories in their diet.

How can you put weight on your old horse with no teeth?

The most difficult is feeding a senior horse with no teeth or with very severe tooth damage. In this case, provide a slurry of complete pelleted feed and mashed alfalfa pellets. Veterinarians recommend adding some long-stemmed soft leafy alfalfa hay to the horse’s diet.

How can I get my horse to gain weight and muscle?

You should consider your horse’s current dietary protein levels and sources before increasing intake or changing protein sources to develop muscle. You can add a higher-protein feed or supplements or change the hay.  Alfalfa offers higher calories and protein than grass hays, making it an excellent choice to add weight to a thin horse.

What oil is best for horses?

The use of vegetable oil is the preferred method of fat supplementation. Typical vegetable oils fed to horses include corn, soybean, canola, and rice oil. These sources are each 100% fat.

Can horses eat carrots?

Any fruits, and many vegetables, are safe for healthy horses. Apples and carrots are traditional favorites for horses. Most horses will chew these treats before swallowing; horses that gulp large fruit pieces have a choking risk. It would help if you cut treats into smaller pieces before feeding.


Feeding your horse is enjoyable, but nourishing them has limitations. So you look for the best weight gain supplement that is currently available. This will prevents overfeeding them.

We think Purina Animal Nutrition Amplify Equine Supplement is the best supplement available on the market. We like it because it supports healthy immune systems. This supplement contains high-fat and your horses like its taste. It is suitable for regular use.