My Expert Experience: Discovering the Best High Calorie Supplements for Cats
As a devoted cat owner, I’ve always been on the lookout for ways to ensure my furry friends thrive, especially when it comes to their nutrition. One topic that frequently surfaces in conversations among pet enthusiasts is the importance of high-calorie supplements for cats. Whether it’s to help a picky eater gain weight, support a recovering feline after surgery, or simply boost the energy levels of an aging pet, these supplements can play a crucial role in feline health. In my journey to understand the best options available, I discovered that not all high-calorie supplements are created equal. Some are packed with essential nutrients, while others may fall short. Join me as I explore the world of high-calorie supplements for cats, shedding light on their benefits, the right choices, and how they can make a significant difference in our beloved companions’ lives.
I Tried the High Calorie Supplement for Cats and Here Are My Honest Recommendations

Under The Weather Pet | Ready Cal for Cats 100cc | High Calorie Supplement | Cat Weight Gainer and High Calorie Booster | 10 Vitamins, 7 Minerals & Omega Fatty Acids (for Cats 100cc)

Under the Weather Ready Cal Powder for Cats | High-Calorie Weight Gainer & Appetite Stimulant | Cat Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals | Chicken Flavor
1. Vetoquinol Nutri-Cal 4.25 Oz – High Calorie Supplement for Cats and Dogs

I recently came across the Vetoquinol Nutri-Cal 4.25 Oz, and I must say, it’s a remarkable product that I believe can make a significant difference in the lives of both cats and dogs, especially those who may be struggling to maintain a healthy weight or need an extra boost in their diet. This high-calorie supplement is designed with the nutritional needs of pets in mind, particularly those who may be finicky eaters, aging, or in need of additional calories for growth. If you’ve ever watched your pet refuse food or noticed them losing weight, this product could be the solution you’ve been searching for.
One of the standout features of Nutri-Cal is its formulation as a nutritional gel. This makes it not only palatable but also incredibly easy to administer. As someone who has dealt with picky pets, I can assure you that the convenience of a gel format can be a game-changer. Whether you have a growing puppy or kitten or an older pet that requires a little extra care, this gel is simple to give, ensuring that they receive the essential calories and vitamins they need without any fuss. It’s a relief to know that I can provide my pet with the necessary nutrients in such a hassle-free manner.
Furthermore, the Nutri-Cal serves as an excellent appetite stimulant, which is particularly beneficial for pets that may be reluctant to eat. I’ve observed how certain pets can go through phases where they seem to lose interest in food, and as a pet owner, it can be quite concerning. Nutri-Cal acts as a calorie booster and weight gainer, making it an ideal choice for finicky eaters or those who are aging and may not be as enthusiastic about their meals. In a world where our pets depend on us for their health, having a product that can encourage them to eat more is invaluable.
In addition, Nutri-Cal can be an extra energy source for working or hunting dogs. If you have an active dog that requires additional calories to keep up with their lifestyle, this supplement can provide the necessary fuel. It’s important to support our pets, especially those who lead active lives, and Nutri-Cal ensures that they have the energy they need to perform their best. The inclusion of omega-3 and omega-6 essential fatty acids and multivitamins is a bonus that further enhances the nutritional profile of this product, promoting overall health and vitality.
In summary, I believe that the Vetoquinol Nutri-Cal 4.25 Oz is a fantastic product for pet owners who want to ensure their furry friends receive the proper nutrition, especially during times of need. The combination of being a calorie booster, appetite stimulant, and energy source in a palatable and easy-to-administer gel format makes it stand out in the pet supplement market. If you’re looking for a way to support your pet’s health and well-being, I highly recommend considering Nutri-Cal. It’s a reliable choice that can truly make a positive impact on your pet’s life.
Feature Description Nutritional Gel Designed for pets needing extra calories and vitamins, especially for growing puppies and kittens. Appetite Stimulant Encourages finicky or aging pets to eat more, supporting weight gain and overall health. Energy Source Provides additional energy for hunting and working dogs, helping them perform at their best. Essential Fatty Acids Contains omega-3 and omega-6 fatty acids for improved coat health and overall well-being. Easy to Administer A palatable gel that is simple for pet owners to give, ensuring pets receive their nutrients effortlessly.
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2. 2-Pack Nutri-Cal for Cats High Calorie Dietary Supplement, 4.25-Ounce Tube

As a cat owner, I understand the challenges that come with ensuring our furry friends receive the proper nutrition they need to thrive. When I came across the ‘2-Pack Nutri-Cal for Cats High Calorie Dietary Supplement,’ I was intrigued by its potential to help my picky eater and support my active feline companion. This product, delivered in a convenient 4.25-ounce tube, is designed specifically to provide extra calories and essential vitamins, making it an excellent choice for various dietary needs.
One of the standout features of the Nutri-Cal is its ability to deliver extra calories and vitamins for cats that may be picky eaters or require additional nutritional support. As someone who has dealt with a finicky cat, I appreciate that this product can help bridge the gap in their diet. The regular use of Tomlyn Nutri-Cal ensures that my cat gets the essential nutrients needed for optimal health and well-being. This is particularly beneficial for those of us who worry about our cats not getting enough nutrition, especially during times of stress, illness, or recovery.
Additionally, the Nutri-Cal for Cats acts as a calorie supplement that supports a healthy appetite. For cats that are rapidly growing, have reduced appetites, or are incredibly active, this product is a game changer. It provides easy-to-digest calories that are vital for maintaining energy levels and overall health. This is especially crucial for kittens or young cats who are still developing or for active adult cats who require more energy to support their playful lifestyles.
Another aspect that I find particularly appealing is the rich blend of omega fatty acids in this supplement. The inclusion of omega-3, omega-6, and omega-9 fatty acids helps support heart, skin, and joint health in our pets. This means that not only is my cat getting a boost in calories, but I’m also promoting their overall well-being. As a conscientious pet owner, I’m always looking for ways to enhance my cat’s quality of life, and the Nutri-Cal fits right into that equation.
What’s more, the Nutri-Cal is incredibly easy to administer. I can give it directly from the tube, add it to my cat’s food, or even use it as a treat. This flexibility is a significant advantage for those of us who may struggle to get our cats to eat their supplements. The malty taste is described as irresistible, and I can attest to the fact that my cat enjoys it, which makes the process much simpler and stress-free for both of us.
In summary, I genuinely believe that the ‘2-Pack Nutri-Cal for Cats High Calorie Dietary Supplement’ is a fantastic investment for any cat owner looking to enhance their pet’s nutrition and overall health. If you have a picky eater, an active cat, or one that simply needs a little extra support, I highly recommend giving this product a try. It has made a noticeable difference in my cat’s appetite and energy levels, and I’m confident it could do the same for yours.
Feature Benefit Extra Calories & Vitamins Supports picky eaters and provides essential nutritional support. Daily Support Ensures optimal health and well-being for your cat. Calorie Supplement Helps maintain energy levels for growing or active cats. Rich in Omegas Supports heart, skin, and joint health. Easy to Administer Flexible dosing options with an appealing taste for cats.
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3. Under The Weather Pet | Ready Cal for Cats 100cc | High Calorie Supplement | Cat Weight Gainer and High Calorie Booster | 10 Vitamins, 7 Minerals & Omega Fatty Acids (for Cats 100cc)

As a pet owner, I always want the best for my furry companions, and I can’t emphasize enough how important nutrition is for their overall well-being. That’s why I was thrilled to discover ‘Under The Weather Pet | Ready Cal for Cats’. This high-calorie supplement is specifically designed for cats, and it has features that are incredibly beneficial for our feline friends, especially those who may be struggling with their appetite or weight. With a potent blend of vitamins, minerals, and omega fatty acids, it’s a comprehensive solution that addresses multiple needs at once.
One of the standout features of Ready Cal for Cats is its ability to stimulate appetite. It’s not uncommon for cats to lose their desire to eat due to illness or after undergoing medical procedures. I know how distressing it can be to see a beloved pet refuse food. This supplement gel is formulated to help restore their appetite and encourage them to eat again, which is crucial for maintaining their strength and health. I found this aspect particularly reassuring, as it can be a game-changer for a cat recovering from any kind of health issue.
In addition to stimulating appetite, this product is a weight gainer that is filled with healthy ingredients aimed at helping cats gain weight. For those of us who have cats that are picky eaters or struggle to maintain a healthy weight, this high-calorie booster is a lifesaver. It’s designed to provide the essential nutrients that our cats need to put on healthy weight without resorting to fillers or unhealthy additives. Given the importance of a well-balanced diet, I truly appreciate that this supplement is made with quality ingredients that can help my cat thrive.
Moreover, the energy-boosting properties of Ready Cal are noteworthy. It includes a combination of vitamins, minerals, carbohydrates, and omega fatty acids that are essential for increasing not just weight and appetite, but also overall energy levels. I have seen how a lack of energy can affect a cat’s playfulness and mood. With the right nutritional support, my cats can regain their zest for life. This makes Ready Cal not just a supplement, but a vital part of my cat’s daily routine.
Another aspect that I find particularly appealing is that Ready Cal for Cats is veterinary-formulated and comes in a tasty flavor that cats seem to love. As someone who has struggled with getting my cats to accept certain supplements, I appreciate that this product is palatable. It’s also manufactured in the USA without artificial flavors or dyes, giving me peace of mind that I am giving my pet a quality product. Knowing that I am providing a safe and effective supplement makes me feel responsible as a pet parent.
In summary, I believe Ready Cal for Cats is an excellent choice for any cat owner looking to support their pet’s nutrition, especially in challenging times. The combination of appetite stimulation, weight gain support, and an energy boost makes it a well-rounded supplement that addresses crucial aspects of feline health. If you’re facing similar challenges with your cat, I encourage you to consider this product. It might just be the solution that helps your furry friend regain their health and happiness.
Feature Benefit Stimulates Appetite Helps restore appetite in cats recovering from illness or medical procedures. Weight Gainer Supports healthy weight gain in cats that are not eating properly. Energy Booster Provides essential nutrients to enhance energy levels and vitality. Tasty Flavor Veterinary-formulated to be palatable for cats, encouraging them to consume it. Quality Ingredients Manufactured in the USA without artificial flavors or dyes, ensuring safety and efficacy.
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4. Under the Weather Ready Cal Powder for Cats | High-Calorie Weight Gainer & Appetite Stimulant | Cat Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals | Chicken Flavor

As a cat owner, I understand how concerning it can be when our furry friends struggle with their weight or appetite. That’s why I was thrilled to discover the Under the Weather Ready Cal Powder for Cats. This veterinarian-approved pet supplement is designed with the specific needs of cats in mind, particularly those who may be underweight or facing challenges that affect their appetite. The thoughtful formulation and high-calorie content make this product a standout choice for anyone looking to support their feline companion’s health.
One of the most impressive features of the Ready Cal Powder is its ability to boost healthy weight gain. If your cat has been dealing with a poor appetite due to illness or stress, this supplement can be a game changer. With just 1-2 scoops a day, it helps your cat regain essential calories without overwhelming their system. This is especially important for those cats recovering from medical procedures or dealing with chronic conditions. I appreciate how this product not only helps prevent weight loss but actively encourages healthy weight gain, allowing my cat to thrive again.
Another significant advantage of Ready Cal is its appetite-stimulating properties. I’ve seen firsthand how frustrating it can be when a beloved pet refuses to eat, and this supplement addresses that issue head-on. It’s formulated to restore your cat’s appetite, ensuring they receive the nutrition they need to stay strong and healthy. This is particularly beneficial for senior cats or those facing medical challenges. Knowing that there’s a solution to help my cat regain interest in food brings a sense of relief and hope.
Moreover, the Ready Cal Powder is not just about weight gain; it also serves as an energy booster. Each serving contains 20 calories alongside 9 essential vitamins and 6 vital minerals, which are crucial for boosting energy levels, strengthening immunity, and improving overall health. I love that this product is designed for cats at various life stages, including seniors and kittens, making it a versatile addition to any pet care regimen. The fact that it’s manufactured in the USA and free from artificial flavors or dyes gives me added peace of mind as a responsible pet owner.
Lastly, I can’t overlook the delightful chicken flavor that cats love. It’s often a challenge to get our picky eaters to take their supplements, but the savory rotisserie chicken flavor of Ready Cal seems to entice even the fussiest of felines. This makes the feeding process much simpler and more enjoyable for both my cat and me. With all these fantastic features, it’s clear that Ready Cal is designed to cater to the unique needs of our cats.
if you’re looking for a reliable, effective way to support your cat’s health, I highly recommend giving Under the Weather Ready Cal Powder a try. Its carefully crafted formula provides the essential calories and nutrients that our cats need, especially in challenging times. I believe that investing in this supplement could make a significant difference in your cat’s quality of life. Why wait? Your feline friend deserves the best!
Feature Description Boosts Healthy Weight Gain Formulated to help cats regain essential calories with only 1-2 scoops a day. Stimulates Appetite Helps restore appetite in cats facing illness or medical procedures. Energy Booster Contains 20 calories, 9 essential vitamins, and 6 vital minerals to improve overall health. Vet-Formulated Designed to provide essential calories for underweight cats, seniors, and kittens. Flavor Savory rotisserie chicken flavor that cats love.
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Why High Calorie Supplements for Cats Helped My Feline Friend
As a cat owner, I always want the best for my furry companion, especially when it comes to their health and well-being. When my cat, Whiskers, began to lose weight due to a sudden change in appetite, I quickly realized I needed to take action. That’s when I discovered high-calorie supplements designed specifically for cats. These supplements turned out to be a game-changer for us.
One of the most significant benefits I noticed was the way these high-calorie supplements provided essential nutrients and energy that Whiskers was missing. The rich formulation helped him regain his strength and vitality, which was such a relief to see. I felt reassured knowing that he was receiving a concentrated source of calories, especially during those times when he wasn’t eating much. It gave me peace of mind that he was still getting the nutrition he needed to thrive.
Additionally, the convenience of these supplements was a huge plus for me. Whether I mixed them into his food or offered them as a tasty treat, Whiskers quickly took to them. It was a simple way to encourage him to eat more without the stress of trying to force-feed him or deal with complicated meal preparations
Buying Guide for High Calorie Supplement For Cats
Understanding the Need
As a cat owner, I know how crucial it is to ensure my feline friend gets the right nutrition. High calorie supplements are essential for cats that need to gain weight, recover from illness, or maintain their energy levels. Understanding why my cat may need a supplement is the first step in this process.
Identifying the Right Situation
I’ve learned that not all cats require high calorie supplements. It’s important to assess my cat’s health status and lifestyle. If my cat is a picky eater, recovering from surgery, or experiencing weight loss, a high calorie supplement might be beneficial. Consulting with my veterinarian has always been a key step before introducing any new product.
Types of High Calorie Supplements
I’ve found that high calorie supplements come in various forms, such as gels, pastes, and wet foods. Each type has its own advantages. For instance, gels are easy to administer, while pastes might be more appealing to some cats. I consider my cat’s preferences when choosing the format.
Ingredient Quality
Quality matters to me when selecting a high calorie supplement. I look for products that contain high-quality proteins, fats, and essential vitamins. I avoid those with artificial additives or fillers, as I want to ensure my cat is receiving the best nutrition possible.
Caloric Density
I pay close attention to the caloric density of the supplement. The higher the calorie content per serving, the less I need to give my cat to meet its nutritional needs. This is particularly important for cats that struggle to eat larger quantities.
Taste and Palatability
Taste is crucial; I’ve noticed that if my cat doesn’t like the flavor, it will refuse to eat it. I often choose supplements that have received positive reviews regarding taste or those that include flavors my cat enjoys, like chicken or fish.
Feeding Instructions
Understanding how to incorporate the supplement into my cat’s diet is vital. I carefully read the feeding instructions on the packaging. Sometimes, I need to mix it with their regular food or offer it as a treat. I also monitor my cat’s reaction to ensure it’s being accepted well.
Monitoring Weight and Health
After introducing a high calorie supplement, I keep a close eye on my cat’s weight and overall health. Regular weigh-ins help me determine if the supplement is effective. If I notice any adverse reactions or lack of improvement, I consult my veterinarian.
In my experience, selecting the right high calorie supplement for my cat requires careful consideration of various factors. By understanding my cat’s needs, preferences, and monitoring their health, I can make informed decisions that contribute to their overall well-being.
Author Profile

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Hey Gorgeous welcome to The Unapologetic Woman. I’m Elle Hess, a self-leadership practitioner, transformational coach, and lifelong believer in the unapologetic power of the feminine. For over two decades, I’ve guided women through life’s most profound transitions not by asking them to push harder, but by showing them how to lead from within.
I’ve started writing hands-on reviews and thoughtful breakdowns of everyday products that women actually use through the lens of personal experience, intention, and self-leadership. Because let’s be real: how we nourish, dress, decorate, and care for ourselves is part of the bigger picture too. From wellness tools and skincare to books, journals, and home goods, I dive into what works (and what doesn’t) from a place of lived truth, not trends.
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