---
product_id: 740116971
title: "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"
brand: "under the weather"
price: "€ 73.55"
currency: EUR
in_stock: false
reviews_count: 5
category: "Under The Weather"
url: https://www.desertcart.nl/products/740116971-under-the-weather-ready-cal-powder-for-cats-high-calorie
store_origin: NL
region: Netherlands
---

# 20 calories per serving Savory rotisserie chicken flavor 9 essential vitamins + 6 vital minerals 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

**Brand:** under the weather
**Price:** € 73.55
**Availability:** ❌ Out of Stock

## Summary

> 🐾 Fuel your feline’s comeback with every scoop!

## Quick Answers

- **What is this?** 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 by under the weather
- **How much does it cost?** € 73.55 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/740116971-under-the-weather-ready-cal-powder-for-cats-high-calorie)

## Best For

- under the weather enthusiasts

## Why This Product

- Trusted under the weather brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Energy & Immunity Boost:** Packed with 20 calories, 9 vitamins, and 6 minerals to enhance vitality and immune strength.
- • **Appetite Revival Formula:** Stimulates appetite in cats facing illness, stress, or recovery to ensure consistent nutrition.
- • **Rapid Healthy Weight Gain:** Clinically formulated to help cats regain essential calories with just 1-2 scoops daily.
- • **Irresistible Chicken Flavor:** Delicious rotisserie chicken taste that cats love, making supplementation effortless and enjoyable.
- • **Vet-Approved & Allergen-Free:** Trusted by veterinarians and free from artificial flavors, dyes, and allergens for safe daily use.

## Overview

Under the Weather Ready Cal Powder is a veterinarian-formulated, high-calorie supplement designed to stimulate appetite and promote healthy weight gain in cats. Each serving delivers 20 calories along with 9 essential vitamins and 6 vital minerals, supporting energy, immunity, and overall health. Its savory rotisserie chicken flavor ensures easy acceptance, making it ideal for cats recovering from illness, stress, or age-related appetite loss. Manufactured in the USA, allergen-free, and free from artificial additives, this powder offers a reliable nutritional boost with a 24-month shelf life.

## Description

There are many reasons a cat may not be eating, including pain, stress, age, illness, and more. Inadequate caloric intake causes weight loss which can lead to malnutrition, weakening the immune system, and compromising overall health. This is why it’s essential, and at times even critical to quickly provide your cat with calories to prevent further weight loss and promote weight gain. Ready Cal Food Topper is a one-of-a-kind supplement developed to quickly provide calories and nutritional support when a cat is losing weight. Shelf life: 24 months from manufacturing date. EXP date printed on back of product label as EXP MM/YY.

Review: Effective and easy way to help my cat gain weight
Review: Great addition to your pet's food!

## Features

- "BOOSTS HEALTHY WEIGHT GAIN Specially formulated to help cats with poor appetites regain essential calories. Whether your feline friend is recovering from illness, dealing with stress, or just needs extra support, this supplement helps prevent weight loss while encouraging healthy weight gain with only 1-2 scoops a day. Shelf life: 24 months from manufacturing date. EXP date printed on back of product label as EXP MM/YY."
- STIMULATES APPETITE: When your cat isn't getting proper nutrition due to reasons such as illness or medical procedures, this nutritional supplement powder will help restore your kitty's appetite to keep them healthy and strong for the years to come.
- ENERGY BOOSTER: Packed with Essential Nutrients, each serving contains 20 calories, 9 essential vitamins, and 6 vital minerals to boost energy, strengthen immunity, and improve overall health. Its carefully crafted formula is designed to support underweight cats, seniors, and kittens alike.
- THE BEST FOR YOUR CAT: Ready Cal for Cats is vet-formulated to provide the essential calories your cat needs daily to gain or maintain a healthy weight. With a savory rotisserie chicken flavor cats love to promote weight gain. Proudly manufactured in the USA without artificial flavors or dyes.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DWP3FNSJ |
| Allergen Information | Allergen-Free |
| Allergen information | Allergen-Free |
| Best Sellers Rank | #41,184 in Pet Supplies ( See Top 100 in Pet Supplies ) #868 in Cat Health Supplies |
| Brand | Under the Weather |
| Brand Name | Under the Weather |
| Customer Reviews | 4.0 out of 5 stars 383 Reviews |
| Flavor | For Cats - Ready Cal Powder |
| Flavour | For Cats - Ready Cal Powder |
| Included Components | Ready Cal Powder for Cats | High-Calorie Weight Gainer & Appetite Stimulant | Cat Energy Booster Veterinarian-Approved Pet Supplement with Vitamins & Minerals | Chicken Flavor |
| Item Form | Powder |
| Item Type Name | pet-multivitamins |
| Item Weight | 0.21 Kilograms |
| Item form | Powder |
| Item weight | 0.21 Kilograms |
| Manufacturer | undertheweatherpet |
| Target Species | Cat |
| UPC | 850057580501 |
| Unit Count | 1.0 Count |

## Product Details

- **Allergen information:** Allergen-Free
- **Brand:** undertheweatherpet
- **Flavour:** For Cats - Ready Cal Powder
- **Item form:** Powder
- **Item weight:** 0.21 Kilograms

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/41psuS-5KpL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/81HZY+SB5GL.jpg)
![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 - Image 3](https://m.media-amazon.com/images/I/81NSDsDQMML.jpg)
![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 - Image 4](https://m.media-amazon.com/images/I/81YKhjAEAVL.jpg)
![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 - Image 5](https://m.media-amazon.com/images/I/71GT1Z+HZNL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Effective and easy way to help my cat gain weight
*by C***S on 3 November 2025*



### ⭐⭐⭐⭐⭐ Great addition to your pet's food!
*by S***N on 9 October 2025*



### ⭐⭐⭐⭐⭐ Weight loss from stomatitis
*by A***R on 14 December 2025*



## Frequently Bought Together

- 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
- 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)
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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-02*