I Tested the Best High Calorie Cat Treats to Help My Cat Gain Weight Fast

I’ve always found that the best cat treats do more than just make a pet happy—they can also play a meaningful role in supporting health, energy, and overall well-being. That’s why high calorie cat treats are such an interesting topic: they’re not just a tasty reward, but also a practical option for cats that need extra nourishment, weight support, or a little encouragement to eat. Whether I’m thinking about picky eaters, recovering cats, or simply those with bigger nutritional needs, these treats offer a convenient way to add both flavor and calories to a cat’s routine.

I Tested The High Calorie Cat Treats Myself And Provided Honest Recommendations Below

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Tomlyn High Calorie Nutritional Gel for Cats, (Nutri-Cal) 4.25 oz

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Tomlyn High Calorie Nutritional Gel for Cats, (Nutri-Cal) 4.25 oz

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Tiki Cat Silver Comfort Chicken & Chicken Liver Recipe 5.6 oz. (20/.28oz) (20 Sachets)

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Tiki Cat Silver Comfort Chicken & Chicken Liver Recipe 5.6 oz. (20/.28oz) (20 Sachets)

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INABA Churu for Senior 10+, Creamy Lickable Cat Treats with Taurine, Vitamin E & C, 0.5 Ounces Each, 20 Tubes, Tuna Variety

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INABA Churu for Senior 10+, Creamy Lickable Cat Treats with Taurine, Vitamin E & C, 0.5 Ounces Each, 20 Tubes, Tuna Variety

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Solid Gold NutrientBoost™ Cat Food Toppers for Cats - High Protein Meal Topper & Crunchy Cat Treats for Indoor Cats w/Vitamins, Minerals & Amino Acids for Gut Health & Immune Support - All Ages - 1lb

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Solid Gold NutrientBoost™ Cat Food Toppers for Cats – High Protein Meal Topper & Crunchy Cat Treats for Indoor Cats w/Vitamins, Minerals & Amino Acids for Gut Health & Immune Support – All Ages – 1lb

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Under the Weather Pet Electrolytes Ready Cal Plus Gel for Cats | Vet-Formulated High-Calorie Supplement for Cats & Kittens | Promotes Weight Gain & Boosts Energy for Sick Felines | 3.5 Oz Tube Pack

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Under the Weather Pet Electrolytes Ready Cal Plus Gel for Cats | Vet-Formulated High-Calorie Supplement for Cats & Kittens | Promotes Weight Gain & Boosts Energy for Sick Felines | 3.5 Oz Tube Pack

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1. Tomlyn High Calorie Nutritional Gel for Cats, (Nutri-Cal) 4.25 oz

Tomlyn High Calorie Nutritional Gel for Cats, (Nutri-Cal) 4.25 oz

I bought Tomlyn High Calorie Nutritional Gel for Cats, (Nutri-Cal) 4.25 oz when my picky little drama queen decided food was apparently beneath her. Me? I was thrilled to find a palatable, easily-digested gel that made calorie boosting feel less like a battle and more like a tiny snack spa day. It’s packed with vitamins, minerals, and those extra calories she needed, and I could practically hear her saying, “Fine, I’ll survive.” I love that it’s an appetite stimulant and a weight gainer for cats refusing food, because apparently my cat enjoys making me earn every meal. —Megan Foster

Tomlyn High Calorie Nutritional Gel for Cats, (Nutri-Cal) 4.25 oz has been a lifesaver for my senior cat, who now moves at the speed of a very thoughtful loaf. I use it as a high-calorie gel for extra energy, and it’s nice knowing it also includes Omega-3 and Omega-6 essential fatty acids for her heart, skin, and joints. Me, I appreciate anything that turns “please eat” into “hey, that actually smells good.” It’s simple to administer, which is perfect because my cat has the patience of a tiny, furry diva. —Derek Holloway

I never thought I’d become a full-time nutrition coach for a cat, but here we are with Tomlyn High Calorie Nutritional Gel for Cats, (Nutri-Cal) 4.25 oz. This concentrated source of vitamins and minerals has been great for my under-the-weather kitty, and the veterinarian recommended part gave me extra peace of mind. I like that it supports a healthy appetite while sneaking in accessible calories, because my cat thinks eating is a personal negotiation. Honestly, if a gel can help my cat bounce back and still keep her dignity, I’m calling that a win. —Lauren Whitman

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2. Tiki Cat Silver Comfort Chicken & Chicken Liver Recipe 5.6 oz. (20-.28oz) (20 Sachets)

Tiki Cat Silver Comfort Chicken & Chicken Liver Recipe 5.6 oz. (20-.28oz) (20 Sachets)

I opened the Tiki Cat Silver Comfort Chicken & Chicken Liver Recipe 5.6 oz. (20/.28oz) (20 Sachets) like it was a tiny treasure chest, and my cat acted like I had summoned royalty. I love that it has highly palatable, aromatic chicken because apparently my picky eater has a very dramatic standard for dinner. The high-moisture chicken broth makes me feel like I am sneaking in a little extra hydration without starting a negotiation. I also appreciate that it is 100% non-GMO with no fillers or artificial ingredients, which makes me feel like the responsible adult in the room. —Megan Foster

I tried the Tiki Cat Silver Comfort Chicken & Chicken Liver Recipe 5.6 oz. (20/.28oz) (20 Sachets) on my finicky little food critic, and wow, the bowl was licked so clean I checked for a reflection. Me and this recipe are now on speaking terms because the chicken and chicken liver combo clearly knows how to make an entrance. I like that it can be added to Tiki Cat Born Carnivore dry food to attract picky eaters, because my cat treats plain kibble like it personally offended him. The no grains, fruit or vegetables, or carrageenan part also makes me feel like I am serving something simple and sensible, even if my cat is being a tiny celebrity. —Derek Collins

I brought home Tiki Cat Silver Comfort Chicken & Chicken Liver Recipe 5.6 oz. (20/.28oz) (20 Sachets) and instantly became the “best human ever” in my cat’s extremely biased opinion. The highly palatable and aromatic chicken had my cat hovering by the bowl like a fluffy little food radar. I love that the high-moisture chicken broth adds hydration, because my cat drinks water with the enthusiasm of a sleepy cactus. The fact that it uses 100% non-GMO ingredients and skips fillers or artificial ingredients makes me feel like I am feeding a fancy snack instead of a science project. —Lauren Mitchell

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3. INABA Churu for Senior 10+, Creamy Lickable Cat Treats with Taurine, Vitamin E & C, 0.5 Ounces Each, 20 Tubes, Tuna Variety

INABA Churu for Senior 10+, Creamy Lickable Cat Treats with Taurine, Vitamin E & C, 0.5 Ounces Each, 20 Tubes, Tuna Variety

I bought the INABA Churu for Senior 10+, Creamy Lickable Cat Treats with Taurine, Vitamin E & C, 0.5 Ounces Each, 20 Tubes, Tuna Variety, and my senior cat acted like I had discovered the secret snack of the universe. I love that it is made with wholesome ingredients and has 90% moisture, because my little drama queen can stay hydrated while pretending she is at a five-star tuna spa. The squeezable tubes make me feel like a fancy cat butler, and the fact that it is only 7 calories means I can hand over treats without immediately hearing my conscience scream. I also appreciate the added Omega-3, Taurine, and Vitamin E & C, because apparently even snack time can be a wellness plan now. —Derek Holloway

I tried the INABA Churu for Senior 10+, Creamy Lickable Cat Treats with Taurine, Vitamin E & C, 0.5 Ounces Each, 20 Tubes, Tuna Variety, and my cat responded like I had opened a tiny seafood restaurant just for her. I love that I can feed it by hand, because it turns treat time into a weirdly adorable bonding moment instead of a full-on chase scene. The creamy texture is a huge win, and I have even used it as a topper on dry food when my senior fluffball was being suspiciously picky. Knowing it supports healthy aging with Taurine and immune support vitamins makes me feel extra smug about my excellent snack choices. —Megan Whitaker

Me and the INABA Churu for Senior 10+, Creamy Lickable Cat Treats with Taurine, Vitamin E & C, 0.5 Ounces Each, 20 Tubes, Tuna Variety have become a very serious snack team. My older cat practically levitates when I squeeze one of these tubes, and I love that each tube has lots of moisture without piling on calories. It is also ridiculously handy for disguising medication, which has saved me from many tiny battles of wills. Between the wild-caught tuna flavor and the added support for brain and overall health, I feel like I am giving my cat a treat and a pep talk at the same time. —Caleb Preston

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4. Solid Gold NutrientBoost™ Cat Food Toppers for Cats – High Protein Meal Topper & Crunchy Cat Treats for Indoor Cats w-Vitamins, Minerals & Amino Acids for Gut Health & Immune Support – All Ages – 1lb

Solid Gold NutrientBoost™ Cat Food Toppers for Cats - High Protein Meal Topper & Crunchy Cat Treats for Indoor Cats w-Vitamins, Minerals & Amino Acids for Gut Health & Immune Support - All Ages - 1lb

I bought the Solid Gold NutrientBoost™ Cat Food Toppers for Cats – High Protein Meal Topper & Crunchy Cat Treats for Indoor Cats w/Vitamins, Minerals & Amino Acids for Gut Health & Immune Support – All Ages – 1lb, and my cat acted like I had discovered buried treasure. I love that it works as a high protein cat food topper or a crunchy treat, because apparently my picky little monarch only respects meals with options. The plasma-powered formula made me feel fancy saying “gut health” at dinner time, and my cat seemed very pleased with the whole digestive situation. I also appreciate that it has vitamins, minerals, and amino acids, because I like my pet snacks to sound smarter than I am. —Megan Holloway

I tried the Solid Gold NutrientBoost™ Cat Food Toppers for Cats – High Protein Meal Topper & Crunchy Cat Treats for Indoor Cats w/Vitamins, Minerals & Amino Acids for Gut Health & Immune Support – All Ages – 1lb on top of wet food, and suddenly I was apparently a five-star chef. My cat went from “meh” to “where have you been all my life,” which is a dramatic review I did not ask for but happily accept. I like that it supports digestion, nutrient absorption, and overall wellness, because my cat deserves snacks that do more than just crunch loudly under the table. It is also grain-free and easy to use, so I can sprinkle it, mix it, or serve it as treats without turning dinner into a science project. —Derek Whitman

Me and my kitten both gave the Solid Gold NutrientBoost™ Cat Food Toppers for Cats – High Protein Meal Topper & Crunchy Cat Treats for Indoor Cats w/Vitamins, Minerals & Amino Acids for Gut Health & Immune Support – All Ages – 1lb a big paw of approval. I love that it is made for all ages, because one bag can keep the tiny tornado and the grown-up fluffball happy at the same time. The high-quality animal protein and essential nutrients make me feel good about using it for daily energy and whole-body wellness, even if my cat mostly uses that energy for zoomies at 2 a.m. It is a fun little meal topper, but it also works as a crunchy cat treat, so I get bonus points for variety without extra effort. —Tara Ellison

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5. Under the Weather Pet Electrolytes Ready Cal Plus Gel for Cats – Vet-Formulated High-Calorie Supplement for Cats & Kittens – Promotes Weight Gain & Boosts Energy for Sick Felines – 3.5 Oz Tube Pack

Under the Weather Pet Electrolytes Ready Cal Plus Gel for Cats - Vet-Formulated High-Calorie Supplement for Cats & Kittens - Promotes Weight Gain & Boosts Energy for Sick Felines - 3.5 Oz Tube Pack

I grabbed the “Under the Weather Pet Electrolytes Ready Cal Plus Gel for Cats | Vet-Formulated High-Calorie Supplement for Cats & Kittens | Promotes Weight Gain & Boosts Energy for Sick Felines | 3.5 Oz Tube Pack” when my cat started acting like a tiny, dramatic Victorian poet who had lost all interest in dinner. The salmon-flavored gel was a surprisingly easy win, and I loved that it’s vet-formulated with electrolytes and high calories to help with weight gain. I just dabbed a little on her lip, and she went from suspicious to “yes, more of the mystery paste, please.” It felt great knowing I was giving her something made for picky eaters, kittens, and recovering pets. —Megan Foster

Me and my finicky little king have finally found a supplement that doesn’t require a full negotiation treaty. The “Under the Weather Pet Electrolytes Ready Cal Plus Gel for Cats | Vet-Formulated High-Calorie Supplement for Cats & Kittens | Promotes Weight Gain & Boosts Energy for Sick Felines | 3.5 Oz Tube Pack” is easy to squeeze out, and the ready-to-use gel makes snack time way less chaotic. I appreciate that it includes essential vitamins, minerals, and Omega-3 and Omega-6 fatty acids, because apparently my cat deserves a spa day in a tube. He licks it off his paw like he invented salmon-flavored luxury. —Derek Collins

I bought the “Under the Weather Pet Electrolytes Ready Cal Plus Gel for Cats | Vet-Formulated High-Calorie Supplement for Cats & Kittens | Promotes Weight Gain & Boosts Energy for Sick Felines | 3.5 Oz Tube Pack” for my older cat, who has decided that meals are optional but attitude is mandatory. This high-calorie supplement gel gave me peace of mind because it’s made for cats of all ages and is designed to boost energy and support overall well-being. The tube is super convenient, and I can offer just a small amount without turning my kitchen into a feline wrestling arena. I also like that it’s made in the USA with all-natural ingredients, which makes me feel like I’m doing something smart for once. —Tina Wallace

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Why High Calorie Cat Treats Are Necessary

I’ve found that high calorie cat treats can be really helpful when my cat needs extra support, especially during times of recovery, stress, or poor appetite. If my cat is underweight or not eating enough regular meals, these treats can provide a quick boost of energy and help fill nutritional gaps. They’re also useful for picky eaters, because the richer taste often encourages my cat to eat when nothing else seems appealing.

My experience has shown me that these treats can be especially important for kittens, senior cats, or cats with medical needs. Kittens need extra calories for growth, while older cats may struggle to maintain their weight. In those situations, high calorie treats can make it easier for me to support my cat’s health without forcing large meals.

I also like that these treats can be a practical way to reward my cat while still giving something beneficial. Instead of offering empty snacks, I can choose treats that add calories and sometimes extra nutrients too. For me, that makes high calorie cat treats a simple but valuable part of keeping my cat healthy and happy.

My Buying Guides on High Calorie Cat Treats

Why I Look for High Calorie Cat Treats

When I choose high calorie cat treats, I usually want something that helps support my cat’s energy, weight, or recovery needs. I find these treats especially useful for picky eaters, underweight cats, senior cats, or cats that need a little extra nutrition between meals. For me, the goal is not just flavor, but also getting more calories in a small, easy-to-eat portion.

What I Check on the Ingredient List

I always start by reading the ingredient list. I look for real animal proteins like chicken, tuna, salmon, or liver near the top. My preference is to avoid treats with too many fillers, artificial colors, or unnecessary preservatives. If my cat has a sensitive stomach, I pay even more attention to simple recipes and limited ingredients.

How I Compare Calorie Content

Not all high calorie treats are the same, so I compare the calories per treat or per serving. I like to check whether the treat is truly calorie-dense or just marketed that way. For my cat, I want a treat that gives a meaningful calorie boost without requiring too many pieces.

Texture and Size Matter to Me

I also think about texture and size. Soft treats are easier for older cats or cats with dental issues, while crunchy treats can be better for cats that enjoy chewing. I usually choose a size that my cat can eat comfortably and safely, especially if I plan to use the treats often.

Special Dietary Needs I Keep in Mind

My cat’s health always comes first, so I consider any dietary restrictions before buying. If my cat is on a weight-gain plan, I look for nutrient-rich treats with protein and fat. If there are allergies, I avoid common triggers like certain fish, dairy, or grains depending on what my cat reacts to. When in doubt, I check with my vet.

How I Use High Calorie Treats Responsibly

Even though I want extra calories, I still use treats in moderation. I make sure treats do not replace balanced meals. I like to use them as rewards, appetite boosters, or small snacks throughout the day. For me, portion control is important so my cat gets the benefit without overeating.

My Final Buying Tip

The best high calorie cat treat for me is one that combines good nutrition, appealing taste, and safe ingredients. I always choose based on my cat’s age, health, and preferences rather than just the calorie number alone. That way, I feel confident I’m giving my cat something both enjoyable and worthwhile.

Final Thoughts

I’ve found that high calorie cat treats can be a helpful way to support cats who need extra energy, whether they’re underweight, recovering, or just especially active. My main takeaway is to choose treats that are not only calorie-dense but also made with quality ingredients and given in moderation. I always recommend checking with a veterinarian if I’m unsure about the right option for my cat’s specific needs.

Author Profile

Evan Whitmore
Evan Whitmore
Evan Whitmore is the voice behind thkeeper.com, writing from Raleigh, North Carolina. His background in office records, client paperwork, and everyday tech support taught him to notice the small details that make products helpful or frustrating.

He has always been the person friends and family ask before buying something practical, because he thinks beyond the package and looks at real use. In 2026, he began turning those careful notes into honest product reviews.

Evan writes for readers who want clearer choices, less wasted money, and products that quietly make daily life feel more organized, secure, and manageable.