Greycoat Rebalance









$41.00
1
- 60-day Satisfaction guarantee
- Vet-reviewed
- 15% Off Your First Order · Sign in and use code KIDNEY at checkout
Kidney care and mouth, gut, or skin concerns?
Greycoat Rebalance provides nutritional support for immune balance in cats with inflammation-related concerns.
A formula made for cats, focused on immune balance
- Formulated for cats with inflammation-related concerns involving the mouth, gut, skin, or pancreas, with immune responses and healthy mucosal linings in mind.
- Greycoat Intensive focuses on kidney cell health. Greycoat Rebalance focuses on immune balance.
- Greycoat Rebalance can be given alongside Greycoat AIM Dr. Toru. Choose it according to your cat’s current care needs, alongside a suitable diet and good hydration.
- Do not give Greycoat Intensive and Greycoat Rebalance together.
Reviewed by experts, informed by kidney care experience
- Drawing on more than 5,000 kidney nutrition consultations, our team provides guidance on supplement compatibility and effective use.
- Our formula is reviewed with input from veterinarians, pharmacists, and nutrition specialists.
- Greycoat Research brand-wide consultation total · October 2026.
Real experiences with bloodwork, appetite, and energy
Cynthia Lee
U.S. · 15-year-old cat
“His energy level and appetite has already improved.”
Rachel Reis
U.S. · 16-year-old cat · Stage 2
“Inflammation markers had improved and his kidney values also improved.”
- Excerpts from customer reviews on our official website. These are individual observations and do not establish the effects of Greycoat Rebalance on its own. Individual experiences vary.
Key ingredients for immune and mucosal health
- Immune responses · Niacinamide
A form of vitamin B3 studied for its role in regulating inflammatory responses in immune cells. - Protective linings · N-acetylglucosamine (NAG)
A building block for glycoproteins and other compounds that make up protective mucosal linings, such as those in the mouth and gut. - Normal immune function · Vitamin D3
A vitamin involved in normal immune cell function. - Antioxidant building block · Glycine
An amino acid the body uses to make glutathione, an antioxidant.
- Based on the nutritional roles of individual ingredients and research on them. See Q8 for details.
Give the capsule whole, after a meal
- Give 1–2 capsules daily after meals, according to your cat’s weight. If giving 2 capsules a day, split them between morning and evening.
- We recommend giving the capsule whole.
Use a pill dispenser, or dab a little lickable treat on the outside of the capsule before giving it.
Product Details
- Product
- Greycoat Rebalance
- Type
- Nutritional supplement for cats, formulated for immune balance and mucosal health
- Capsules per bottle
- 60 capsules
- Feeding Guide
- Under 3 kg (6.6 lb)
1 capsule daily
60 days per bottle
3 kg (6.6 lb) and over2 capsules daily
30 days per bottle
- When to give
- After meals · Split 2 capsules between morning and evening
- How to give
- Whole capsules recommended
- Made in
- South Korea
- Storage
- Store in a cool, dry place away from direct sunlight
Key ingredients
4 key ingredients
N-acetylglucosamine (NAG) · vitamin D3 · Niacinamide · glycine
Other ingredients
resveratrol · turmeric · quercetin · vitamin K2 · vitamin A · coenzyme Q10 · vitamin C · milk thistle · L-theanine · boswellia · magnesium · Taurine · microcrystalline cellulose
Guaranteed Analysis
| Constituent | Guaranteed value |
|---|---|
| Crude Protein (min) | 59.8% |
| Crude Fat (min) | 3.5% |
| Calcium (min) | 0.1% |
| Phosphorus (min) | 0.1% |
| Crude Fiber (max) | 0.01% |
| Crude Ash (max) | 2.4% |
| Moisture (max) | 9.0% |
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.
Shipping, customs duties, and payment processing fees are excluded. View guarantee terms
Frequently asked questions
Q1.How is Greycoat Rebalance different from Intensive?
- Intensive focuses on nutrition for kidney cell health, including energy production, cellular recycling, and antioxidant support.
- Greycoat Rebalance focuses on immune balance and healthy mucosal linings for cats with inflammation-related concerns involving areas such as the mouth, gut, or skin.
- Choose according to your cat’s current care needs. Do not give the two products together.
Q2.Can I give Greycoat Rebalance with Dr. Toru or other supplements?
- Greycoat Rebalance can be given alongside Greycoat Dr. Toru, Probiotics, Omega-3, and Calm.
- Do not give Greycoat Rebalance together with Intensive, Appetite, or Stable.
- If you use supplements from other brands, check for overlapping ingredients and confirm the total daily amounts. Send us the product names or photos of the ingredient labels, along with the daily amounts, through our Consultation page. We’ll check whether they can be given with Greycoat Rebalance and explain how to give it effectively.
Q3.Is Greycoat Rebalance an option for a cat taking steroids?
- Greycoat Rebalance may be considered for cats taking steroids. Whether it can be given alongside a particular medication depends on the medication, dose, and your cat’s condition.
- Greycoat Rebalance is a nutritional supplement. Do not reduce or stop prescribed medication because you have started Greycoat Rebalance.
Q4.How should I start giving Greycoat Rebalance?
- Follow the recommended daily serving for your cat’s weight, and give it after a meal.
- We recommend giving the capsule whole. You can open the capsule if needed.
- Not recommended for pregnant or nursing cats.
Q5.How long should I give Greycoat Rebalance, and what should I look for?
- Greycoat Rebalance is a daily nutritional supplement. What you notice, and when, will vary from cat to cat.
- You can compare your cat’s appetite, activity, and weight before and after starting.
- The 60-day period relates to the satisfaction guarantee. It does not mean a particular change will occur within 60 days.
Q6.How much is shipping, and how long does delivery take?
- We ship internationally from South Korea, usually the day after you place your order. U.S. orders typically arrive within 5 business days of dispatch.
- We use K-Packet or EMS, depending on your destination and order. Shipping costs are shown before you place your order.
- U.S. customers do not pay additional customs duties on delivery. For certain European destinations, applicable customs duties are included in the checkout total.
- We’ll email your tracking details once your order ships. Flight disruptions may delay delivery.
Q7.What do I need to request a refund under the satisfaction guarantee?
- Contact Greycoat Research within 10 days of completing the 60-day period. We’ll guide you through the consultation and refund process.
- Email support@greycoatresearch.com with a photo of the bottle or bottles you used, your cat’s weight, the daily amount given, and the total number of days of use.
- See our satisfaction guarantee policy for the full eligibility requirements.
Q8.What research informed the ingredient choices?
- Niacinamide has been studied in human-derived immune cells in relation to inflammatory responses.
- NAG is a building block for mucosal linings. Exploratory human research has also examined its use in relation to the intestinal lining.
- Vitamin D3 is a nutrient involved in normal immune function.
- Glycine is an amino acid used to make glutathione.
- These are the nutritional roles and research findings of individual ingredients, not results from trials testing Greycoat Rebalance in cats.
- References: Niacinamide — Weiss et al., 2015 · NAG — Salvatore et al., 2000 · Vitamin D — NIH fact sheet · Glycine — He et al., 2024 · Pig study
- For cats. Follow the recommended daily serving. Not recommended for pregnant or nursing cats.


