Greycoat Dr. Toru







The core of basic kidney care, based on AIM research
- 60-day Satisfaction guarantee
- Vet-reviewed
- 15% Off Your First Order
- Subscribe & Save — Plus Weekly Care Tips for Your Cat
AIM-Based Kidney Support
Build the core of your cat's kidney care routine with AIM-based support.
Cats' Kidneys Are Different
In a 2016 study published in Scientific Reports, Dr. Toru Miyazaki showed that cats' kidney vulnerability may be related to the way feline AIM functions.
Source: Scientific Reports, 2016
Why Cat Guardians Choose Dr. Toru
Science-Based Foundation
Kidney care built on Dr. Toru Miyazaki's AIM research
Trusted Use Data
Used by 15,000+ cats, primarily in Korea and Japan
High Guardian Satisfaction
2,500+ guardian reviews from Korea and Japan · Average store rating of 4.8/5+
Recommended For
- Cats whose kidney test results are becoming a concern
- Cats who need support alongside a renal diet
- Cats whose guardians want to support kidney health early
How to Use
- Under 3 kg (6.6 lb)
- 1 capsule per day
- 3 kg (6.6 lb) and over
- 2 capsules per day
- Sensitive cats
- Start with 1/2 capsule
- · Can be given whole or opened and mixed into food or a lickable treat.
- · Flavorless and odorless — easy for daily use.
Product Details
- Product Name
- Greycoat Dr. Toru
- Contents
- 60 capsules
- Form
- Capsule with flavorless powder
- Duration
- Under 3 kg: about 2 months / 3 kg and over: about 1 month
- Ingredients
- Amino Acid Complex, Resveratrol, Coenzyme Q10
- Manufactured in
- South Korea
- Storage
- Store in a cool, dry place away from direct sunlight
- Price
- $46.60
Ingredient Information
Amino Acid Complex
A core nutritional foundation designed with AIM-based kidney support in mind
Coenzyme Q10
Supports cellular energy and daily vitality
Resveratrol
A polyphenol that supports healthy aging and antioxidant balance
Meet Dr. Toru Miyazaki
Dr. Toru Miyazaki helped design Dr. Toru, an AIM-based supplement.
He currently serves as an AIM advisor to Greycoat Research.
Why Greycoat Research
4,000+ 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
If your cat uses Dr. Toru…
FoundationDon't combine with
When cancer is present, Stable replaces this product as part of the cancer-sensitive protocol.
60-Day Satisfaction Guarantee
Try Dr. Toru 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.
Fast, 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
Amino Acid-Based Products
Dr. Toru is an amino acid-centered formula. Avoid using multiple similar amino acid formulas at the same time.
Sensitive Stomach
Vomiting has been reported in fewer than 0.5% of cats. Give after meals. If your cat has a sensitive stomach, start with 1/2 capsule.
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.


