Greycoat Dr. Toru







The core of basic kidney care, based on AIM research
- 60-day Satisfaction guarantee
- Vet-reviewed
- 15% Off Your First Order
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AIM-Based Kidney Support
Build the core of your cat’s kidney care routine with AIM-based daily support.
Cats' Kidneys Are Different
In a 2016 study published in Scientific Reports, Dr. Toru Miyazaki showed that feline kidney vulnerability may be related to the way feline AIM functions.
This is why Greycoat Dr. Toru was developed as an AIM-based nutritional foundation for daily kidney care.
Recommended For
- Cats whose kidney values are becoming a concern
- Cats who need support alongside a renal diet
- Cats whose guardians want to start kidney care 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
- · Best given after a meal.
- · Can be given whole or opened and mixed into food or a lickable treat.
- · Flavorless and odorless for easy 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, Coenzyme Q10, Resveratrol, Taurine, Yeast Extact Powder, Microcrystalline Cellulose
- Manufactured in
- South Korea
- Storage
- Store in a cool, dry place away from direct sunlight
- Price
- $46.60per bottle
How Dr. Toru Builds Trust
Science-Based Foundation
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+
Key Ingredients
Amino Acid Complex
A core nutritional foundation for AIM-based kidney support
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 contributed to the development of Greycoat Dr. Toru, an AIM-based nutritional 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
When using Dr. Toru
FoundationDo Not Use Together With
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.
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 combining multiple similar amino acid formulas unless guided by a professional.
Sensitive Stomach
Vomiting has been reported in fewer than 0.5% of cats in our internal records. 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.


