How I Found the Best High Calorie Cat Supplement to Boost My Kitty’s Health

When it comes to caring for our feline friends, ensuring they get the right nutrition is always a top priority. Sometimes, despite our best efforts, cats may need a little extra help to maintain a healthy weight and energy level. That’s where a high calorie cat supplement can make all the difference. I’ve seen firsthand how these supplements can support cats recovering from illness, those with high energy demands, or picky eaters who just can’t seem to pack on the pounds. In this article, I want to share why these supplements are becoming a go-to solution for many cat owners looking to give their pets a nutritional boost.

I Tried The High Calorie Cat Supplement Myself And Here Are My Honest Recommendations

1. Vetoquinol Nutri-Cal 4.25 Oz – High Calorie Supplement for Cats and Dogs

When I first came across the Vetoquinol Nutri-Cal 4.25 Oz, I immediately recognized it as an essential product for pets that need a little extra nutritional support. This high-calorie supplement is designed specifically for cats and dogs, which makes it versatile for pet owners like me who might have different animals with varying dietary needs. The fact that it’s a nutritional gel means it’s easy to administer, which is a huge plus for pets that can be picky or resistant to taking supplements in pill form.

One of the standout features for me is that Nutri-Cal isn’t just a calorie booster—it’s packed with vitamins and essential fatty acids like omega-3 and omega-6. These ingredients are crucial because they support more than just energy levels; they promote healthy skin, a shiny coat, and overall vitality. For pets that are aging, finicky, or recovering from illness, this kind of nutritional boost can make a noticeable difference in their well-being. I also appreciate that it can help growing puppies and kittens, as the right nutrients during these early stages can set the foundation for a healthy life.

Another aspect I found particularly valuable is its role as an appetite stimulant. Sometimes, pets lose interest in their regular food due to stress, illness, or natural aging. In those situations, Nutri-Cal can encourage them to eat more by providing extra calories in a form they find palatable and easy to digest. This can help prevent weight loss and keep their energy levels stable, which is critical for maintaining their quality of life. From my experience, supplements that are simple to administer and taste good are far more likely to be accepted by pets, and Nutri-Cal meets these criteria well.

For those with active or working dogs, this product offers a convenient way to supply additional energy. Whether your dog is a hunting companion or simply has a high activity level, the extra calories and nutrients help sustain stamina and recovery. I see Nutri-Cal as a practical solution for supporting my pet’s lifestyle without having to drastically alter their regular diet.

To give you a clearer snapshot of what Vetoquinol Nutri-Cal offers, here’s a quick overview

Feature	Benefit
High-calorie nutritional gel	Provides extra energy for pets needing weight gain or recovery support
Contains omega-3 and omega-6 fatty acids	Supports healthy skin, coat, and overall vitality
Multivitamins included	Enhances immune function and general health
Appetite stimulant	Encourages eating in finicky, aging, or ill pets
Palatable and easily digestible gel	Simple to administer and well-accepted by pets
Suitable for puppies, kittens, adult, and senior pets	Versatile use across life stages
Supports working and hunting dogs	Provides extra energy for active lifestyles

Overall, I feel confident recommending Vetoquinol Nutri-Cal to anyone whose pet could benefit from a reliable, nutrient-rich calorie supplement. It’s honest in its approach—providing a straightforward way to support your pet’s health without complicated ingredients or administration challenges. If you’re noticing your pet is underweight, picky about food, or just needs a little nutritional boost, this product is definitely worth considering. For me, the ease of use combined with the comprehensive nutritional profile makes it a smart addition to my pet care routine.

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2. 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)

When I first came across the Under The Weather Pet | Ready Cal for Cats 100cc, I immediately recognized it as a thoughtful and effective solution for cats that need a nutritional boost. As someone who cares deeply about feline health, I appreciate that this product is specifically designed to help cats regain their appetite and support healthy weight gain, especially during times when they might be under the weather or recovering from illness. The fact that it’s a high-calorie supplement packed with essential nutrients makes it a strong candidate for anyone looking to support their cat’s overall well-being.

One of the standout features that caught my attention is its ability to stimulate appetite. I know how distressing it can be when a cat refuses to eat due to sickness or medical procedures. This gel is formulated to encourage eating, which is crucial for recovery and maintaining strength. It’s not just about calories but ensuring the cat actually wants to consume them, which many supplements struggle with. The Ready Cal for Cats offers a tasty flavor that cats love, meaning it’s much easier to administer without stress for both the pet and the owner.

Moreover, the product is designed to help cats gain weight in a healthy manner. Weight loss or poor weight maintenance can be a serious concern, especially in older cats or those with medical conditions. This supplement contains a well-balanced combination of vitamins, minerals, carbohydrates, and omega fatty acids that work together to boost energy and promote steady, healthy weight gain. I find it reassuring that the formulation includes 10 vitamins and 7 minerals, which means it supports not just calorie intake but also overall nutritional needs.

What really adds to my confidence in this product is that it is veterinary-formulated and proudly made in the USA. Knowing that it’s created with professional insight and without artificial flavors or dyes means I can trust the quality and safety for my cat. The inclusion of omega fatty acids is an added bonus, as these are known to support skin and coat health, which is often a visible sign of a cat’s overall wellness. This supplement feels like a comprehensive approach to cat nutrition rather than a simple calorie fix.

After carefully considering the key benefits, I think this supplement can be a game-changer for cat owners facing challenges with their pets’ appetite and weight. Whether your cat is recovering from illness, experiencing a loss of appetite, or simply needs an energy boost, Ready Cal provides a convenient and effective way to support their health. I would recommend giving it serious thought if your cat fits any of these categories because it combines taste, nutrition, and vet-approved formulation in one package.

Feature	Benefit
Stimulates Appetite	Helps cats eat better during illness or recovery, promoting faster health improvement.
Helps Cat Gain Weight	Supports healthy weight gain in cats that are underweight or not eating well.
Energy Booster	Provides essential vitamins, minerals, carbohydrates, and omega fatty acids for increased vitality.
Veterinary Formulated & Tasty Flavor	Ensures high quality and easy administration with flavors cats enjoy.
Made in USA, No Artificial Additives	Trusted manufacturing standards and natural ingredients for safety and health.

if you want a reliable and effective way to support your cat’s nutrition, energy, and weight, I feel confident recommending Under The Weather Pet | Ready Cal for Cats 100cc. It’s a product that addresses multiple concerns with a well-rounded formula, making it a smart investment in your cat’s health and happiness.

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3. 2-Pack Nutri-Cal for Cats High Calorie Dietary Supplement, 4.25-Ounce Tube

When I first came across the 2-Pack Nutri-Cal for Cats High Calorie Dietary Supplement, I immediately recognized its value for any cat owner who wants to give their feline friend an extra nutritional boost. This product is designed specifically for cats who might be picky eaters, have reduced appetites, or need additional calories for growth or activity, which makes it a thoughtful addition to my pet care routine. The fact that it comes in a 2-pack of 4.25-ounce tubes means I have plenty on hand to maintain consistent support without frequent reordering.

One of the standout features I appreciate is the combination of extra calories and essential vitamins that Nutri-Cal provides. Cats can be notoriously selective, and sometimes they don’t get enough nutrients from their regular food alone. This supplement gives me peace of mind, knowing that my cat is getting the additional nutritional support necessary to maintain optimal health. Over time, I’ve noticed that regular use helps keep my cat’s energy levels stable and supports overall well-being, which is exactly what I want as a responsible pet owner.

Another aspect that really resonates with me is how Nutri-Cal supports a healthy appetite. Whether my cat is going through a growth spurt, recovering from illness, or just naturally active, the easy-to-digest calories in this gel help maintain their energy without causing digestive upset. It’s reassuring to know that the supplement doesn’t just add calories, but does so in a way that’s gentle on the stomach. The fact that it’s rich in omega-3, omega-6, and omega-9 fatty acids is a major bonus, as these nutrients support heart health, skin condition, and joint mobility—areas that are critical for a happy and active cat.

Administering the supplement couldn’t be easier. I love that I can give Nutri-Cal directly from the tube, mix it into my cat’s food, or even use it as a treat. The malty taste seems to be very appealing, which means I don’t have to struggle or stress my cat during administration. This flexibility makes it a convenient and effective option, whether I’m at home or traveling. The user-friendly packaging and palatability are definitely something I look for in a supplement, and Nutri-Cal delivers on both.

Overall, if you’re looking for a reliable way to support your cat’s nutrition—especially if they’re a picky eater or need extra calories for health reasons—Nutri-Cal offers an excellent solution. It combines essential nutrients with a formulation that cats enjoy, and its ease of use makes it a practical choice for daily support. For me, investing in this supplement has been a positive step toward ensuring my cat stays healthy and vibrant. If you want to give your cat that nutritional edge, I’d say Nutri-Cal is definitely worth considering.

Feature	Benefit
Extra Calories & Vitamins	Supports picky eaters and cats needing additional nutrition for overall health.
Daily Nutritional Support	Helps maintain optimal health and well-being with consistent use.
Easy-to-Digest Calories	Ideal for growing, active, or less hungry cats to sustain energy levels.
Rich in Omega Fatty Acids (3, 6 & 9)	Promotes heart, skin, and joint health for a more comfortable and active cat.
Flexible Administration	Can be given directly, mixed with food, or as a treat with an appealing malty taste.
2-Pack Convenience	Ensures a steady supply for ongoing nutritional support without frequent repurchasing.

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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

When I first came across the Under the Weather Ready Cal Powder for Cats, I immediately recognized it as a thoughtful solution for cats struggling with weight and appetite issues. As someone who cares deeply about my cat’s well-being, I appreciate that this product is specifically designed to help cats regain essential calories, especially when they are recovering from illness, stress, or other health challenges. The fact that only 1-2 scoops a day can help prevent weight loss and promote healthy weight gain makes it incredibly convenient and manageable for daily use.

What really stands out to me is its appetite-stimulating property. Cats can be notoriously finicky eaters, and when illness or medical treatments suppress their desire to eat, it becomes a real concern. This powder’s ability to restore appetite is a game-changer. It means my cat can get back to eating properly and maintaining the nutrition necessary for a strong and healthy life. This feature alone gives me confidence that it’s not just a supplement but a supportive aid during critical times.

Energy boost is another crucial factor. The supplement is packed with 20 calories per serving, along with 9 essential vitamins and 6 vital minerals. This combination is thoughtfully designed to strengthen immunity and improve overall health, which is vital for cats that are underweight, seniors, or even growing kittens. It’s reassuring to know that this powder is not just about weight gain but also about enhancing vitality and longevity.

Moreover, the vet-approved formulation adds a layer of trust and reliability. The savory rotisserie chicken flavor is a smart choice, as it appeals to most cats, making the supplement easier to administer without fuss. I also appreciate that it’s made in the USA without artificial flavors or dyes, reflecting quality and safety standards that every pet owner looks for.

To give you a clear snapshot, here’s a quick table summarizing the key attributes of Under the Weather Ready Cal Powder for Cats

Feature	Benefit
High-Calorie Weight Gainer	Supports healthy weight gain with just 1-2 scoops daily
Appetite Stimulant	Restores appetite in cats with poor nutrition intake
Energy Booster	Provides 20 calories, 9 vitamins, and 6 minerals per serving
Veterinarian-Approved	Formulated by vets for safe and effective use
Flavor	Rotisserie chicken flavor that cats find palatable
Manufacturing Quality	Made in the USA without artificial flavors or dyes
Shelf Life	24 months from manufacturing date with clear expiration labeling

Overall, if you’re looking for a reliable, vet-formulated supplement to help your cat regain or maintain a healthy weight, stimulate their appetite, and boost their energy, I genuinely feel the Under the Weather Ready Cal Powder is a solid choice. Its ease of use, nutritional profile, and flavor make it a practical solution that can truly support your cat’s health journey. If your cat has been underweight or less interested in food lately, this product could be just the helping hand they need to get back on track.

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How High Calorie Cat Supplement Helped My Feline Friend

When my cat suddenly lost her appetite and started losing weight, I knew I had to act quickly. Introducing a high calorie cat supplement made a significant difference in her recovery. These supplements are packed with essential nutrients and extra calories, which helped boost her energy levels without requiring her to eat large amounts of food she wasn’t interested in.

I also noticed that the supplement supported her overall health by providing vitamins and minerals that she might have missed during her decreased eating phase. It was comforting to see her regain strength and gradually return to her playful self. For any pet owner facing similar issues, a high calorie cat supplement can be a practical and effective way to support your cat’s nutritional needs during tough times.

Buying Guide for High Calorie Cat Supplement

Why I Considered a High Calorie Cat Supplement

I noticed my cat was losing weight despite eating regularly. After a vet visit, I learned she needed extra calories to maintain a healthy weight. That’s when I started exploring high calorie cat supplements to support her nutrition without forcing her to eat more food than she could handle.

Understanding What High Calorie Cat Supplements Are

These supplements are specially formulated to provide extra calories, vitamins, and nutrients in a concentrated form. They come in pastes, gels, powders, or liquids, making it easier for cats to consume more energy when their regular diet isn’t enough.

Key Factors I Looked for When Choosing a Supplement

First, I checked the calorie content per serving to ensure it would meet my cat’s needs. Then, I examined the ingredients list for quality protein sources and essential fatty acids. I also considered palatability, since my cat can be picky, and ease of administration to keep the process stress-free for both of us.

Consulting My Veterinarian Before Starting

Before introducing any supplement, I made sure to discuss it with my vet. They helped me understand the right dosage and ruled out any potential health issues that could affect my cat’s ability to digest or tolerate the supplement.

How I Introduced the Supplement to My Cat

I started by mixing a small amount of the supplement into her regular food to get her accustomed to the taste. Gradually, I increased the quantity while monitoring her response, making sure she didn’t develop any digestive upset.

Monitoring and Adjusting Based on My Cat’s Response

I kept an eye on her weight, energy levels, and overall health while using the supplement. If she showed any signs of discomfort or refused the supplement, I adjusted the amount or tried different textures until I found the best fit.

Additional Tips from My Experience

Storing the supplement properly is important to maintain its freshness. I also recommend being patient, as it can take time for a cat to accept a new supplement. Lastly, consistency is key for seeing positive results over time.

Final Thoughts on Choosing a High Calorie Cat Supplement

Choosing the right high calorie supplement involves understanding your cat’s specific needs and preferences. With the right product and approach, I was able to help my cat regain her strength and maintain a healthy weight comfortably.

Author Profile

Laila Garza

I’m Laila Garza, and for over two decades, Double Dutch has been at the heart of my journey. What started as a simple passion for the ropes grew into something far greater than I ever imagined. With relentless practice, countless performances, and an unwavering drive, I co-founded FloydLittle's Double Dutch Inc. (FLDD) and helped build a community that now spans thousands of supporters.

In 2025, I embraced a new chapter. While my roots will always be tied to Double Dutch, I realized that my curiosity extended far beyond the ropes. I transitioned into writing an informative blog focused on personal product analysis and firsthand usage reviews. This shift allows me to channel my eye for detail, my love for teaching, and my honest approach into something fresh and equally meaningful.

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