Greycoat Dr. Toru
The core of basic kidney care, based on AIM research
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- Vet-reviewed
- 60-day Satisfaction guarantee
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Dr. Toru Product Details
Even with diet and renal care, some cats still struggle with appetite, energy, or lab values.
Cats are biologically different. They aren't just small dogs. Their AIM protein stays inactive — so the body struggles to clear waste.
This was confirmed in a 2016 study by Dr. Toru Miyazaki, published in Scientific Reports.
Why guardians choose Greycoat Dr. Toru
- AIM-based science — Developed based on the research of Dr. Toru Miyazaki
- Feline-specific formula — Designed for cats, not dogs
- Reported benefits — Appetite, vitality, and overall stability
- Guardian approved — Backed by 3,500+ one-on-one consultations
- Easy to add — Works with most existing routines
How to Use
- Under 3 kg (6.6 lb)
- 1 capsule per day
- Over 3 kg (6.6 lb)
- 2 capsules per day
- Sensitive cats
- Start with a half dose
- · Can be given whole or opened and mixed into food or a lickable treat.
- · Flavorless and odorless — easy for daily use.
Product Specifications
- Product Name
- Greycoat Dr. Toru
- Contents
- 60 capsules
- Form
- Capsule (additive-free, flavorless)
- Duration
- Under 3 kg: ~2 months / Over 3 kg: ~1 month
- Ingredients
- Amino Acid Complex, Resveratrol, Coenzyme Q10
- Made in
- South Korea
- Storage
- Store in a cool, dry place out of direct sunlight
- Price
- $46.60
Meet Dr. Toru Miyazaki — the mind behind AIM
Physician-turned-researcher who discovered AIM and transformed it into feline kidney support.
TT, one of the first cats to receive AIM-based support, regained strength in just a few weeks — and today, guardians in 30+ countries trust it to help their own.
Expert endorsements
Dr. Toru Miyazaki
Discoverer of AIM, founder of the Institute for AIM Medicine
Dr. Motoo Kobayashi
Kobayashi Animal Preventive Medicine Center
Dr. Kim Jae-young
Korea's feline aging expert, guardian of 28-year-old cat "Minky"
Ingredient Information
Amino Acid Complex
A proprietary blend inspired by AIM research — designed to support the natural waste-clearing process in cats.
Coenzyme Q10
Helps sustain cellular energy and contributes to an environment that supports AIM activity.
Resveratrol
Provides antioxidant protection and helps maintain a healthy AIM environment within the kidneys.
Carefully formulated to support long-term kidney wellness.
Start fresh — or add to what's working
Greycoat Dr. Toru is designed to work on its own. Many guardians began with just this — and saw better appetite, energy, and stability.
Already using other kidney support? You can keep what's working and simply add this in.
If your cat isn't taking other amino acid supplements, you can add this without any overlap.
When you want to see just a little more
Even with a stable routine, many guardians wanted just a bit more — a little more energy, appetite, or balance.
That's when they turned to AIM-based support — already trusted by vets and guardians in Japan and Korea.
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
If you're not satisfied after 60 days of use, we'll offer a full refund.
Each formula was developed with a scientifically designed nutritional approach. Still, feline kidney care is a journey — and we're here with you every step of the way.
Fast, Reliable Global Shipping
All orders are carefully packed and shipped on weekdays. We deliver through the official Post Office network (EMS & K-Packet) for trusted, reliable delivery.
Estimated delivery times
- U.S.About 5 business days
- Other countriesAbout 7–10 business days
Warnings
Allergy / Sensitivity
Do not give to cats with known sensitivity to any of the listed ingredients. Discontinue use if unusual symptoms occur.
Tolerance note
About 0.5% of cats may experience mild vomiting, typically due to temporary stomach sensitivity to amino acids. If this occurs, open the capsule and give half, mixed with wet food or a lickable treat. Most cats tolerate it well with this adjustment.
Veterinary guidance
This is a nutritional supplement and is not intended to diagnose, treat, cure, or prevent any disease. Consult your veterinarian before use if your cat is pregnant, nursing, on prescription medication, or has a pre-existing condition.
About Greycoat Research
Greycoat Research focuses on long-term kidney care for cats.
Our formulas are informed by:
- 3,500+ one-on-one kidney nutrition consultations
- Feeding data from 10,000+ cats in kidney care
Each formula is developed using carefully selected ingredients and reviewed through a structured, multidisciplinary process.