Greycoat Kidney Care Sets
Basic kidney care plus cellular and gut environment support — all in one
- 60-day Satisfaction guarantee
- Vet-reviewed
- 15% Off Your First Order · Sign in and use code KIDNEY at checkout
Want to do your best for your cat’s kidney health?
- Start a kidney care routine built around AIM-based nutrition, with a set that fits your cat’s needs.
3 products, different roles in kidney care
Greycoat AIM Dr. Toru
Daily kidney care for cats, based on AIM research
- A nutritional supplement developed specifically for cats with scientific guidance from AIM researcher Dr. Toru Miyazaki.
- 1st Place · International category at the SUPERZOO 2026 New Product Awards in the U.S.
Greycoat Probiotics
Kidney-focused probiotics, made for cats
- A 9-strain blend including 2 strains studied together at National Taiwan University in cats classified as IRIS stages 2–3.
Greycoat Intensive
Healthy kidneys start with healthy cells
- A 26-ingredient formula developed with kidney cell energy production and antioxidant support in mind.
Choose the set that fits your cat’s needs
First purchase? Take an extra 15% off the set price when you sign in and use code KIDNEY at checkout.
- Enter your address to see shipping costs before placing your order.
- U.S. orders have no additional customs duties on delivery.
Every bottle contains 60 capsules.
How long 1 bottle lasts
- Under 3 kg (6.6 lb) · Each product lasts 60 days.
- 3 kg (6.6 lb) and over · Greycoat AIM Dr. Toru and Greycoat Intensive last 30 days each; Greycoat Probiotics lasts 60 days.
- The products in your chosen set can be given together.
Start with 1 bottle of each product in your set, at a discounted set price.
For first-time customers on our official website
Not satisfied after 60 consecutive days at the recommended daily amount? We’ll refund the product price.
Shipping, customs duties, and payment processing fees are excluded. View guarantee terms.
All prices are in USD. Shipping is extra.
Over 5,000 kidney nutrition consultations
- Our consultation service helps you check compatibility with medication or other supplements and understand how to give each product effectively.
- Our formulas are reviewed with input from veterinarians, pharmacists, and nutrition specialists.
- Over 100,000 units sold across Greycoat’s AIM-based supplement line.
Consultations are a Greycoat Research brand-wide total. Sales cover the AIM-based supplement line. Company records, October 2026.
Ingredients selected for each product’s role
Greycoat AIM Dr. Toru
- Combines an amino acid complex including cystine, yeast extract containing glutathione, coenzyme Q10, and resveratrol.
- Cystine and glutathione were chosen based on AIM-related research.
Greycoat Probiotics
- Some substances made by gut bacteria are converted into uremic toxins, which can place a burden on the kidneys.
- With this connection in mind, we combined 9 probiotic strains, including MFM30-3 and MFM18.
- 2 billion CFU per capsule, guaranteed through expiration when stored as directed. No refrigeration needed.
Greycoat Intensive
26 ingredients in 1 capsule for kidney cell health
Key ingredients
Resveratrol · Quercetin · Curcumin
Blueberry extract containing pterostilbene · B vitamins
- For curcumin, quercetin, and cranberry extract, we use phytosome ingredients formulated for better absorption.
Open the capsule and mix into food or a treat
- The powder has very little taste or smell.
- Mix it into your cat’s usual food or a lickable treat.
- You can also give the capsule whole.
Daily serving by weight
| Product | Under 3 kg (6.6 lb) | 3 kg (6.6 lb) and over |
|---|---|---|
| Greycoat AIM Dr. Toru | 1 capsule | 2 capsules |
| Greycoat Probiotics | 1 capsule | 1 capsule |
| Greycoat Intensive | 1 capsule | 2 capsules |
Give only the products included in your chosen set, following the recommended amount for each.
- Greycoat Probiotics · Preferably before a meal.
- Greycoat AIM Dr. Toru and Greycoat Intensive · Recommended after a meal.
- For any product given at 2 capsules daily, give 1 in the morning and 1 in the evening.
Daily example · Full Set · Cats weighing 3 kg (6.6 lb) and over
- Morning, before a meal · Greycoat Probiotics, 1 capsule
- Morning, after a meal · Greycoat AIM Dr. Toru, 1 capsule + Greycoat Intensive, 1 capsule
- Evening, after a meal · Greycoat AIM Dr. Toru, 1 capsule + Greycoat Intensive, 1 capsule
Product details
- Core Set
- 2 bottles · 120 capsules total
- Intensive Set
- 2 bottles · 120 capsules total
- Full Set
- 3 bottles · 180 capsules total
- Made in
- South Korea
- Storage
- Store in a cool, dry place away from direct sunlight
A 60-day satisfaction guarantee
- If you’re not satisfied after giving the recommended daily amount for 60 consecutive days, we’ll refund the product price.
- For your first purchase on our official website, once per product type. Submit your request within 10 days of completing the 60-day period.
- For cats weighing 3 kg (6.6 lb) and over, you’ll need 1 extra bottle of Greycoat AIM Dr. Toru for 60 days of use, plus 1 extra bottle of Greycoat Intensive if your set includes it.
Shipping, customs duties, and payment processing fees are excluded. View guarantee terms.
Choose the set that fits your cat’s kidney care needs.
