6 Best Cat Weight Gain Supplements & High Calorie Gels

Written by: Ejay C
A college graduate with a degree in Electrical Engineering, Ejay has a diverse background that combines technical expertise with a passion for pets and is now one of the content writers at IHD. Read more
| Published on August 2, 2023
iHeartCats is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no extra cost to you.

When it comes to feline wellness, maintaining a healthy weight is pivotal. However, sometimes our furry friends may require a little extra help to achieve a balanced weight, particularly if they are recovering from illness, have a naturally high metabolism, or are just finicky eaters. This is where weight gain supplements and high-calorie gels for cats come in. These nutrient-dense products can offer a valuable dietary boost, helping cats to gain weight in a healthy and controlled way. Our article dives into the world of cat weight gain supplements, exploring the best products on the market and offering insights into what to look for during your search.

#1 – Ready Cal Powder for Cats | High-Calorie, Weight Gainer, Appetite Stimulant, Energy Booster Pet Suppliment | 20 Scoops (Scoop Included)

Ready Cal Powder for Cats is a high-calorie, weight gainer, appetite stimulant, and energy booster pet supplement. It is designed to help cats gain weight and stimulate their appetite, particularly if they are not eating properly due to illness or medical procedures. This powder formula is easy to use and can be sprinkled over food or mixed with warm water to create a delicious gravy.

Best For: cats needing to gain weight or stimulate their appetite.





 


#2 – MIRACLE VET High Calorie Weight Gainer for Dogs & Cats 4-in-1 – Mass, Recovery, Appetite Stimulant – Vet-Reviewed – 2,400 kcal – 16 oz

MIRACLE VET High Calorie Weight Gainer for Dogs & Cats 4-in-1 is a high calorie nutritional liquid designed to help pets gain weight and stimulate their appetite. It contains natural fish oil with Omega-3 fatty acids for heart, skin, and joint health, as well as 29 different vitamins and minerals for overall wellness and increased energy. This supplement is easy to administer and can be added to drinking water or food.

Best For: Weight gain and appetite stimulation in dogs and cats.






 


#3 – Under the Weather Pet | Ready Cal for Cats 100cc | High Calorie Nutritional Supplement for Weight Gain & Not Eating | 10 Vitamins, 7 Minerals, Omega Fatty Acids

The Under the Weather Pet Ready Cal for Cats is a high-calorie nutritional supplement designed to help cats gain weight and stimulate their appetite. It is filled with vitamins, minerals, carbohydrates, and omega fatty acids to provide essential nutrients and boost their energy. This gel supplement is easy to administer with a convenient dial-a-dose tube, and it is veterinarian-formulated with a tasty flavor that cats love.

Best For: Cats needing to gain weight and stimulate their appetite. (best for weight gain & not eating)






 


#4 – Lexelium Weight Gainer Supplement for Dogs & Cats – Muscle Building & Appetite Stimulation – 100% Natural Pet Supplement to Add Weight & Increase Immunity in Puppies and Kittens -200g

The Lexelium Weight Gainer Supplement for Dogs & Cats is a 100% natural pet supplement designed to help underweight or malnourished newborn pets increase weight and improve immune function. This weight gain powder maximizes protein absorption from regular food and combines ingredients like hydrolyzed beef, creatine, ginseng extract, calcium, and zinc to promote growth in young animals. Vet formulated and made in the USA, this supplement is an all-natural appetite stimulant that can also be used to support muscle building and weight gain in pets undergoing intense training or participating in shows.

Best For: Muscle building and appetite stimulation. (best overall)






 


#5 – 2-Pack Nutri-Cal for Cats High Calorie Dietary Supplement, 4.25-Ounce Tube

The 2-Pack Nutri-Cal for Cats High Calorie Dietary Supplement is a nutritional oral gel designed for cats who need extra calories and vitamins. It is an ideal option for sick or aging cats who may be refusing food. This veterinarian recommended supplement is a concentrated source of vitamins and minerals, including Omega-3 and Omega-6 essential fatty acids for a healthy heart, skin, and joints. The gel is palatable, simple to administer, and easily-digested, providing accessible calories to support a healthy appetite.

Best For: Sick or aging cats refusing food. Appetite stimulant, calorie booster, weight gainer






 


#6 – MIRACLE VET Weight Gain & Recovery Chews 3-in-1 for Dogs & Cats – 3,000 kcal – High Calorie Pet Treats for Body Mass & Health – 60 Chews

The MIRACLE VET Weight Gain & Recovery Chews are high-calorie pet treats designed to help dogs and cats gain healthy weight and provide them with extra energy. These chews also support digestion, exercise endurance, and aid in recovery. Made with all-natural ingredients and approved by a veterinarian, these chews are easy to use and do not contain any artificial colors or trans fats.

Best For: Weight gain and recovery in dogs and cats.






 


What Are The Signs My Cat Might Need a Weight Gain Supplement? When Should I See My Vet?

Several signs might indicate that your cat needs a weight gain supplement. They include noticeable weight loss, decreased muscle mass, changes in eating habits (either eating more without gaining weight or losing interest in food), lethargy, dull coat, or any other drastic changes in behavior or appearance. More subtle signs could be a decrease in strength, reduced playfulness, or avoiding jumping or climbing, which might indicate muscle loss.

However, these symptoms could also be indicative of serious underlying health issues such as hyperthyroidism, diabetes, dental disease, or even cancer. Therefore, if your cat exhibits these signs, it’s essential to see your vet before starting any weight gain supplement. Your vet can conduct a thorough physical examination and possibly run diagnostic tests to rule out medical conditions that might be causing weight loss. If your vet recommends weight gain due to age, recovery from illness, or other non-disease reasons, then weight gain supplements or high-calorie gels could be beneficial. Always remember that any significant change in your pet’s health or behavior warrants a vet visit.

 

How Can a Weight Gain Supplement or High Calorie Gel Help My Cat?

Weight gain supplements and high-calorie gels are formulated to provide extra calories and essential nutrients that can help your cat gain weight. They are especially beneficial for cats that are underweight due to age, disease, recovery from surgery, or other stressors. These supplements often contain high-quality proteins, fats, carbohydrates, as well as vitamins and minerals to support overall health.

The high-calorie content in these supplements helps to increase your cat’s total daily calorie intake without significantly increasing the volume of food they need to eat. This is particularly beneficial for cats with reduced appetites who may struggle to eat larger amounts of regular cat food.

In addition, these supplements also contain balanced ratios of proteins, fats, and carbohydrates which support healthy weight gain. The extra protein helps to build and repair tissues, and maintain muscle mass, while the included fats and carbohydrates provide a concentrated source of energy.

However, it’s crucial to remember that while these supplements can help, they should not be used as a substitute for a balanced, nutritious diet. Always consult your vet before starting any new supplement regime for your cat. They can guide you on the right product and dosage based on your cat’s specific needs and health status.

 

Frequently Asked Questions About High Calorie Gels / Weight Gain Supplements for Cats

  1. What is a high-calorie gel or weight gain supplement for cats? High-calorie gels or weight gain supplements for cats are specialized nutritional products designed to provide extra calories and essential nutrients. They’re beneficial for underweight cats or those with certain medical conditions requiring additional caloric intake.
  2. When should I consider giving my cat a weight gain supplement? You should consider weight gain supplements if your cat is underweight, recovering from illness or surgery, is a senior, or has a health condition that affects their ability to maintain a healthy weight. Always consult with your vet before starting any supplements.
  3. Are there any side effects to giving my cat a weight gain supplement? While most cats tolerate these supplements well, potential side effects could include gastrointestinal upset like diarrhea or vomiting. If you notice any adverse reactions, stop the supplement and contact your vet.
  4. How quickly can I expect to see weight gain in my cat after starting a supplement? The speed at which your cat gains weight will depend on various factors including their overall health status and how much below their ideal weight they are. It’s important for weight gain to be gradual, and your vet can provide more guidance on what to expect.
  5. Can I give a weight gain supplement to a kitten? Kittens have different nutritional needs than adult cats, and some high-calorie supplements may be suitable for them. However, always consult your vet before giving any supplements to a kitten.
  6. How should I give my cat a high-calorie gel or weight gain supplement? These supplements can often be given directly by mouth or mixed in with your cat’s food. Follow the manufacturer’s instructions for the best method.
  7. Does my cat need to be on a special diet while taking a weight gain supplement? Not necessarily, but your cat should be eating a balanced, high-quality diet to ensure they’re getting the necessary nutrients. Discuss with your vet if any dietary changes are needed.
  8. Are weight gain supplements a substitute for meals? No, weight gain supplements are not a substitute for a balanced diet. They are designed to supplement your cat’s diet and provide additional calories and nutrients.
  9. Can I give my cat a weight gain supplement without consulting a vet? While these supplements are generally safe, it’s always best to consult with your vet before starting any new supplement regimen. Your vet can provide guidance based on your cat’s individual health needs.
  10. What should I do if my cat refuses to eat the weight gain supplement? If your cat refuses to eat the supplement, you can try mixing it with their favorite food or treat. If they still refuse, consult your vet for alternatives.

Conclusion: Best Cat Weight Gain Supplements & High Calorie Gels

Navigating the world of cat weight gain supplements and high-calorie gels can be challenging. However, armed with the right information and an understanding of your cat’s unique needs, you can find the perfect product to help your pet achieve a healthy weight. Whether your feline friend is recovering from an illness, is a picky eater, or simply needs to pack on a few more pounds, these supplements can be an invaluable addition to their diet. Remember, a consultation with your vet is always advisable before introducing any new supplement into your cat’s diet. Your cat’s health is a lifelong journey, and with the right nutritional support, you can ensure it’s a journey filled with purrs, cuddles, and contentment.

iHeartCats is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no extra cost to you.