Best High Calorie Supplements for Cats to Boost Weight Gain
Choosing a high calorie supplement can help cats struggling to gain weight due to illness, recovery, or aging. This guide reviews five cat-focused options that support calorie intake, appetite, and energy, with easy administration and veterinarian-friendly ingredients. Each product is described with its key benefits, usage notes, and suitability for different life stages. A brief comparison table is provided to help you compare caloric density, form, and flavor preferences at a glance.
| Product | Brand | Form | Key Benefit |
|---|---|---|---|
| Under The Weather Ready Cal for Cats 100cc | Under The Weather | Gel | High calories with vitamins and omega fatty acids; supports weight gain |
| Under The Weather Ready Cal Powder for Cats | Under The Weather | Powder | Calorie-dense formula with vitamins; 1-2 scoops daily |
| Nutri-Cal for Cats High Calorie Gel | TOMLYN | Gel | Extra calories and vitamins for picky eaters |
| PetAg High Calorie Gel for Cats 3.5 oz | PetAg | Gel | Energy-dense gel; easy to digest; supports weight gain |
| Vetri-CAL High Calorie Gel for Dogs & Cats | Vetri-CAL | Gel | Complete nutrient boost with omega fats; suitable for cats |
Under The Weather Ready Cal for Cats 100cc
Under The Weather Ready Cal for Cats 100cc is a ready-to-use gel that delivers concentrated calories and essential nutrients to support weight gain in cats who aren’t eating enough. The formula includes vitamins, minerals, carbohydrates, and omega fatty acids to help restore appetite and energy. It is designed for cats recovering from illness or dealing with reduced intake, offering a palatable option that supports overall wellbeing. Shelf life is 24 months from the manufacturing date, with the expiration date printed beside the barcode.
Benefits focus on weight support, appetite stimulation, and sustained energy. The gel can be given directly or mixed with food, depending on your cat’s preferences. It complements a complete diet and is best used under veterinary guidance to determine appropriate dosage and duration for each cat’s needs.
- Calorie-dense nutrition paired with essential vitamins and minerals
- Appetite stimulation during illness, stress, or recovery
- Energy support through fats and carbohydrates
Under The Weather Ready Cal Powder for Cats
Under The Weather Ready Cal Powder for Cats is a high-calorie weight gainer designed to help cats with poor appetites regain essential calories. It provides energy and nutrients in a convenient powder form that can be added to meals or water. The product is intended for recovery, stress, or illness and typically requires only 1-2 scoops daily to support weight gain. Shelf life is 24 months from the manufacturing date, with EXP printed on the label for easy tracking.
Appetite stimulation is a key feature, helping restore your cat’s nutrition when intake is insufficient. Each serving also packs energy-boosting nutrients, with 20 calories per serving and a blend of 9 essential vitamins and 6 minerals to strengthen immunity and overall health. This formula is suitable for underweight cats, seniors, and kittens needing extra calories.
- High-calorie content with essential vitamins and minerals
- 1–2 scoops daily supports healthy weight gain
- Designed for recovery, stress, and underweight cats
Nutri-Cal for Cats High Calorie Gel
Tomlyn Nutri-Cal for Cats provides extra calories and vitamins in a palatable gel designed for picky eaters and cats needing additional nutrition. Regular use helps ensure essential nutrients are delivered in an easy-to-digest form and can support growth in kittens, weight gain for underweight cats, and energy for very active pets. The gel format can be convenient for cats that resist traditional meals and may be fed directly or mixed with food.
Key benefits include calorie density for weight support, vitamin-rich supplementation, and a simple daily routine. Pet owners may find Nutri-Cal especially helpful during periods of illness, recovery, or rapid growth, when appetite and energy are crucial for progress. Consult a veterinarian for dosing guidance tailored to your cat.
- Extra calories and vitamins in a tasty gel
- Supports growth, weight gain, and appetite
- Easy to administer for picky eaters
PetAg High Calorie Gel for Cats – 3.5 oz
PetAg High Calorie Gel for Cats provides a high-calorie gel that boosts caloric intake without requiring additional meals. The product supports energy, weight gain, and overall health while contributing to healthier skin and coat. It is specially formulated to meet the high-calorie needs of growing kittens and cats recovering from illness or surgery, and is easy for many cats to digest thanks to its gel base and palatable flavor.
Practically, this gel offers a straightforward option for cat owners seeking to supplement daily calories. Use as directed by a veterinarian to ensure appropriate daily amounts, especially for kittens or cats with chronic health conditions. Benefits focus on appetite support, energy, and convenient administration.
- Calorie-dense gel to support weight gain
- Palatable and easy to digest for many cats
- Ideal for growing kittens or recovery from illness or surgery
Vetri-CAL High Calorie Gel for Dogs & Cats
Vetri-CAL High Calorie Gel for Dogs & Cats provides complete nutritional support in a high-calorie gel formulated for both species. It includes concentrated vitamins, minerals, electrolytes, and Omega 3-6-9 fatty acids to help support overall wellness, especially during stress, recovery, or periods of low energy. The Malt flavor makes it appealing to many pets, and its flexible use makes it suitable for cats needing energy boosts without major changes to meals.
As a versatile health booster, Vetri-CAL supports muscle development, vitality, and daily energy. It is especially helpful for pets experiencing appetite issues or higher physical demands. The compact tube design makes daily supplementation clean and easy for pet parents and reduces preparation time during busy days.
- Complete nutritional support with essential fats
- Palatable malt flavor; easy to administer
- Suitable for cats during stress, recovery, or high energy needs
Buying Guide
When selecting a high calorie supplement for a cat, consider the product form, caloric density, and how it fits your cat’s preferences and health status. The following factors help clarify which option may work best:
- Form and caloric density: Gels typically provide concentrated calories with flavor, while powders can be mixed into meals. For cats who resist new textures, a gel or malt-flavored option may be more effective.
- Palatability and flavor: Flavors like chicken, malt, or fish can influence acceptance. Start with small amounts to gauge tolerance and gradually increase as advised by a vet.
- Life stage and health needs: Kittens, seniors, or recovering cats may benefit from different nutrient blends. Consider vitamins, minerals, and Omega fatty acids in the formulation.
- Administration method: Direct gel dosing versus mixing with food—choose what aligns with your cat’s eating habits and your routine.
- Vet guidance and dosage: Use as directed and consult a veterinarian for dosage and duration, especially for cats with chronic illnesses or on other medications.
- Storage and shelf life: Check shelf life and storage requirements (some products note 24-month shelf life). Proper storage preserves potency and safety.
- Safety considerations: Monitor for any adverse reactions, and discontinue use if vomiting, diarrhea, or decreased appetite occurs, then seek veterinary advice.
In summary, selecting a high calorie supplement involves matching the product’s delivery method and nutrient profile to your cat’s preferences, health status, and veterinary recommendations. With the right option, these supplements can support appetite, energy, and steady weight gain during challenging life stages.