Feline Kidney Care, Made Clear

3,000+ consultations across Stage 1–3.
Kidney-focused guidance — including cases with heart, pancreas, or immune-related challenges.

Not always sure you’re doing the right thing?

Start Your Routine with AIM →

Powered by AIM-Based Science

AIM is the protein that helps the kidneys clear waste.
Dr. Toru Miyazaki discovered how AIM functions in cats —
and his discovery opened a new path for supporting feline kidney health.

Learn More About AIM →

Stories From Cat Guardians

Stage 2 & 3 journeys, including complex cases —
showing how structured routines helped support
steadier, more comfortable days.

Explore Case Stories →
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Stage 1 Kidney Support

Early routines protect long-term kidney comfort.
Many guardians start here to support healthy aging.

✔ Key support focus

AIM support • Probiotics • Hydration

See Stage 1 Guidance →

Stage 2 Kidney Support

This stage benefits most from steady care.
Structure now can help prevent sudden shifts in health.

✔ Key support focus

Supplements • Renal diet • Hydration

See Stage 2 Guidance →

Stage 3 Kidney Support

With structured care, many cats enjoy comfortable, meaningful days.
You don’t have to navigate this stage alone.

✔ Key support focus

Supplements • Assisted feeding • Hydration (SQ) • Electrolytes • Monitoring

See Stage 3 Guidance →

Our Scientific & Veterinary Advisory Team

AIM research, veterinary aging insight,
and advanced formulation expertise —
informing structured kidney care for cats.

  • Dr. Toru Miyazaki

    Dr. Toru Miyazaki

    Founder of the Institute for AIM Medicine and discoverer of the immune protein AIM—his research laid the foundation for the Dr. Toru Protocol.

    Dr. Toru Miyazaki

    Founder of the Institute for AIM Medicine and discoverer of the immune protein AIM—his research laid the foundation for the Dr. Toru Protocol.

  • Dr. Kobayashi Motoo

    Dr. Kobayashi Motoo

    Director of Seijo Kobayashi Animal Hospital (Tokyo) with over 30 years of clinical experience—the first veterinarian to apply AIM science to feline kidney care.

    Dr. Kobayashi Motoo

    Director of Seijo Kobayashi Animal Hospital (Tokyo) with over 30 years of clinical experience—the first veterinarian to apply AIM science to feline kidney care.

  • Dr. Kim Jae-young

    Dr. Kim Jae-young

    Korean longevity expert and veterinarian with 30+ years of experience—guardian of Mingki, a cat who lived to age 28.

    Dr. Kim Jae-young

    Korean longevity expert and veterinarian with 30+ years of experience—guardian of Mingki, a cat who lived to age 28.

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Not sure where to begin?

Connect with a kidney-focused advisor 1:1 —
together, we’ll shape a clear and structured plan for your cat.

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Support for Complex Kidney Journeys

When CKD becomes unpredictable,
Greycoat offers structured guidance for guardians and veterinarians —
covering lab history, hydration plans, supplement routines, and complications.

For Veterinarians

Clinical collaboration for complex care decisions.

Clinical Collaboration Details →

For Guardians

1:1 guidance when routines need to adjust.

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Build Your Cat’s Kidney Support Routine

Science-guided support for stability, comfort, and daily kidney balance.

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Our mission is to advance feline kidney health

— Greycoat Research

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  • Weekly Updates – trusted tips on lab trends, hydration routines, and dietary care
  • Exclusive Guides – insights into kidney disease, anemia, HCM, and pancreatitis
  • CKD ChatGPT – early access to our personalized AI care tool, launching soon
  • Case-Based Advice – real-world learnings from over 3,000 1:1 consultations

Start caring with confidence and stay one step ahead in your cat’s kidney journey.

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