# Greycoat Calm

- URL: https://greycoatresearch.com/ko/products/greycoat-calm
- Price: $54.99
- Availability: In stock
- Rating: 5 / 5 (2 reviews)

## Heart & Kidney Calm Support

A gentle formula designed to support relaxation when care routines add extra tension.

## Repeated tension can add burden

For cats receiving heart or kidney care, heightened tension may add extra burden to the daily care routine.

## Recommended For

* Cats with frequent vet visits for heart or kidney care
* Cats receiving stressful care routines, such as subcutaneous fluids
* Cats whose kidney care routine has become more demanding

## How to Use

* Give 1 capsule per day, regardless of body weight.
* Best given before a meal.
* We recommend giving Calm after the day’s care routine is complete, before your cat settles down for the night.
* Some ingredients may have a strong taste, so giving the capsule whole is recommended.

## Product Details

Product Name

Greycoat Calm

Contents

60 capsules

Form

Capsule

Duration

About 60 days

Ingredients

Taurine, GABA, Microcrystalline Cellulose, Milk Thistle, L-Theanine, Berberine Extract, Blueberry Extract, Ascorbic Acid, Bromelain, Strawberry Extract, Tomato Extract, Chamomile Extract, Quercetin, Resveratrol, Pyridoxine

Made in

South Korea

Storage

Store in a cool, dry place away from direct sunlight

Price

per bottle

## How Calm Supports Heart & Kidney Care

Calm is designed to support nervous system balance and cellular stability during rest.  
For cats receiving ongoing heart or kidney care, this approach helps support a calmer internal environment during periods of repeated care-related stress.

## Key Ingredients

* GABA  
Supports nervous system balance during periods of heightened tension.
* L-Theanine  
Supports relaxation as part of a calmer daily care routine.
* Quercetin  
Supports antioxidant balance and cellular stability during repeated care-related stress.
* Berberine  
Supports cellular energy balance as part of heart and kidney care routines.

## Why Greycoat Research

* 5,000+ kidney nutrition consultations  
Built through one-on-one guidance for cat guardians
* 15,000+ cats supported  
Real-world experience across daily kidney care routines in Korea and Japan
* Expert-reviewed formulas  
Reviewed with input from veterinarians, pharmacists, and nutrition specialists

## Compatibility at a glance

When using Calm

Foundation

Compatible Greycoat Products

* [Dr. Toru](https://greycoatresearch.com/ko/products/greycoat-dr-toru)
* [Probiotics](https://greycoatresearch.com/ko/products/greycoat-probiotics)
* [Omega-3](https://greycoatresearch.com/ko/products/greycoat-omega-3)
* [Intensive](https://greycoatresearch.com/ko/products/greycoat-intensive)
* [Appetite](https://greycoatresearch.com/ko/products/greycoat-appetite)
* [Rebalance](https://greycoatresearch.com/ko/products/greycoat-rebalance)

Do Not Use Together With

* [Stable](https://greycoatresearch.com/ko/products/greycoat-stable)

## 60-Day Satisfaction Guarantee

Try Intensive for 60 days. If you’re not satisfied, we’ll offer a full refund.

Every cat’s kidney care journey is different. We’re here to support you as you build a routine that feels right for your cat.

[Learn more ](https://greycoatresearch.com/ko/policies/refund-policy)

## Reliable Global Shipping

All orders are carefully packed and shipped on business days.

We use the official postal network, including EMS and K-Packet, for reliable international delivery.

Estimated Delivery Time

* U.S.About 5 business days
* Other CountriesAbout 7–10 business days

Delivery times may vary due to customs and local postal conditions.

## Cautions Before Use

Sensitive Stomach

Vomiting has been reported in fewer than 0.5% of cats in our internal records. Give after meals.

Pregnancy or Nursing

Not recommended for pregnant or nursing cats.

General Guidance

If your cat has a medical condition or is taking medication, consult your veterinarian before use.