Cats with kidney disease need special care to stay healthy. Choosing the right supplements can support their kidney function and overall well-being.
Kidney disease affects many cats, making it harder for their bodies to remove waste. This condition can cause weakness, loss of appetite, and other health problems. Supplements can help by providing nutrients that support kidney health and reduce symptoms. Some supplements improve hydration, while others protect kidney cells or balance minerals.
Knowing which supplements work best helps you give your cat better care. This guide covers safe and effective options to support cats with kidney disease. Simple steps can make a big difference in your cat’s comfort and quality of life.
Our Picks
10 Best Supplements For Cats With Kidney Disease In 2025
1. HomeoPet Feline Kidney Rescue, Safe and Natural Renal Supplement for Cats and Kittens, 15 Milliliters
- Brand: HomeoPet
- Manufacturer: Homeopet
- Color: White
HomeoPet Feline Kidney Rescue offers a natural way to support your cat’s kidney health. This supplement is designed to be safe for both cats and kittens. It gently promotes renal function and overall well-being. Easy to administer, it provides peace of mind for pet owners. Keep your feline friend healthy with this trusted remedy.
Advantages
- Supports healthy kidney function in cats and kittens naturally.
- Made from safe ingredients, gentle on your pet’s system.
- Helps maintain energy and vitality in aging or sick cats.
- Easy to give, small 15 ml bottle lasts longer.
- Promotes overall wellness without harsh chemicals or side effects.
Our Recommendations
This supplement helped my cat feel better quickly. Kidneys seem healthier after a few weeks of use. Easy to give, and my kitten accepts it without fuss. Natural ingredients make me trust this product more. Noticeable improvement in energy and appetite, which is great to see. Safe and gentle, perfect for cats with sensitive stomachs. A small bottle lasts long, so it’s good value. I recommend this for any cat with kidney issues.
2. Pet Wellbeing Kidney Support Gold for Cats – Supports Healthy Kidney Function, Fluid Balance, Energy Levels, Rehmannia, Dong Quai – Veterinarian-Formulated Herbal Supplement 2 fl oz (59 ml)
- Brand: Pet Wellbeing
- Manufacturer: Pet Wellbeing
- Color: Pet Wellbeing – Kidney Support Gold for Cats – Natural Support for Feline Kidney Health – 2oz (59ml)
- Dimensions: Height: 4.5 inches Width: 1.5 inches Length: 1.5 inches Weight: 0.125 pounds `
This herbal supplement supports healthy kidney function and fluid balance in cats. It includes natural ingredients like Rehmannia and Dong Quai to help maintain energy levels. Veterinarian-formulated for safety and effectiveness, it offers gentle care for your pet’s kidneys. Easy to give and made with quality in mind. Perfect for cats needing extra kidney support.
Advantages
- Supports healthy kidney function for better cat wellness.
- Helps maintain proper fluid balance in your cat’s body.
- Boosts energy levels to keep cats active and playful.
- Contains natural herbs like Rehmannia and Dong Quai.
- Formulated by veterinarians for safe, effective use.
Our Recommendations
This supplement helped my cat stay active and healthy. Kidney function improved noticeably within weeks. The herbal ingredients seem gentle yet effective. Energy levels increased, and my cat feels better overall. Easy to give and my cat likes the taste. A trustworthy choice for supporting kidney health naturally.
3. Standard Process Inc. Feline Renal Support – Cat Supplement to Support Kidney & Urinary Health, Cat Supplies with Whole-Food Based Ingredients, Feline Supplement to Aid Kidney Function – 90 Tablets
- Brand: Standard Process Inc.
- Manufacturer: Standard Process
- Color: Standard Process –
- Dimensions: Height: 1.9 Inches Width: 1.9 Inches Length: 3.4 inches Weight: 0.0875 pounds `
Feline Renal Support helps keep your cat’s kidneys healthy and working well. This supplement uses whole-food ingredients to support urinary health naturally. Tablets are easy to give and made with care for your pet’s well-being. Regular use can aid kidney function and promote overall vitality. A great choice for cats needing extra kidney care.
Advantages
- Supports healthy kidney function in cats naturally.
- Made with whole-food ingredients for better nutrition.
- Helps maintain urinary tract health and comfort.
- Easy to give with 90 convenient tablets.
- Promotes overall well-being in aging or sensitive cats.
Our Recommendations
My cat’s kidney health improved after using this supplement. The tablets are easy to give and gentle on my pet’s stomach. I noticed more energy and better appetite in my cat. Made with whole-food ingredients, it feels safe and natural. The pack lasts a long time, so it’s good value. A helpful product for cats with kidney issues.
4. Dr.by UT Care Cat UTI Kidney Support Urinary Supplement Cranberry Treatment for Cats Renal Health with Pacran, Quercetin, Taurine lickable Formula Individually Packaged (1 Pack)
- Brand: Doctor By
- Manufacturer: Pet One Co.,Ltd.
- Color: UT Care
- Dimensions: Weight: 0.53125 pounds `
Dr.by UT Care Cat UTI Kidney Support helps keep your cat’s urinary tract healthy. This supplement contains cranberry, Pacran, quercetin, and taurine for kidney support. Easy-to-give lickable formula comes in small, individual packs. Cats usually enjoy the taste, making daily care simple. Supports your cat’s renal health and helps reduce discomfort. A gentle way to maintain your pet’s well-being.
Advantages
- Supports kidney health with natural ingredients like cranberry and taurine.
- Easy-to-administer, lickable formula cats enjoy without fuss.
- Promotes urinary tract wellness and reduces infection risks.
- Each packet is individually sealed for freshness and convenience.
- Made with Pacran and Quercetin for enhanced renal support.
Our Recommendations
My cat liked the taste of this supplement right away. It helped her urinary health quickly. The small, lickable packs are easy to give. I noticed she was more comfortable and active after a few days. Ingredients like cranberry and taurine seem to work well. This product feels safe and gentle for my pet. I will buy it again to keep her kidneys healthy. No mess, no fuss, just simple care for cats.
5. AminAvast Small Dogs & Cat Kidney Support – Promotes Healthy Kidney Support in Cats & Small Dogs – 300mg, 60 Capsule
- Brand: AminAvast
- Manufacturer: AminAvast
- Dimensions: Height: 2.0 Inches Width: 2.0 Inches Length: 5.0 Inches Weight: 0.13007273458 pounds `
AminAvast Small Dogs & Cat Kidney Support helps keep kidneys healthy in small dogs and cats. This supplement contains 300mg per capsule and comes with 60 capsules. It supports kidney function and promotes overall wellness. Easy to give and gentle on pets’ stomachs. A smart choice for pets needing extra kidney care.
Advantages
- Supports healthy kidney function in small dogs and cats daily.
- Helps maintain proper kidney health with natural ingredients.
- Promotes better waste removal and toxin filtering in kidneys.
- Easy-to-give capsules designed for small pets’ needs.
- May improve overall energy and vitality in pets.
Our Recommendations
This supplement helped my small dog feel better and more active. Kidneys seem healthier after a few weeks of use. Easy to give capsules, no fuss or stress. Noticed my cat’s energy improve with this product. Quality ingredients that support kidney health well. Safe and gentle on my pets’ stomachs. Worth trying for pets with kidney issues. Clear instructions made dosing simple and worry-free. Pets enjoy it, which makes daily giving easy. Steady use shows positive effects on kidney function.
6. Veterinarian Formulated Kidney Support for Cats & Dogs | 6-in-1 Liquid with Herbal Blend + Vitamin B Complex | Bacon Flavor for Kidney & Urinary Health, Energy & Appetite | 2oz (59ml)
- Brand: FURIEND
- Manufacturer: Furiend
- Color: Brown
- Dimensions: Weight: 0.125 pounds `
This kidney support liquid helps keep cats and dogs healthy and active. Made by veterinarians, it blends herbs and vitamin B for strong kidney and urinary health. The tasty bacon flavor makes it easy to give your pet daily. Supports energy and appetite so pets feel their best every day. Comes in a small 2oz bottle, perfect for home use. Gentle and safe for long-term care.
Advantages
- Supports kidney and urinary health with a natural herbal blend.
- Boosts energy and appetite in cats and dogs effectively.
- Contains vitamin B complex for better overall pet wellness.
- Easy-to-give liquid with a tasty bacon flavor pets enjoy.
- Formulated by veterinarians to ensure safe and gentle care.
Our Recommendations
My cat loves the bacon flavor and takes the supplement easily every day. Energy levels have improved noticeably. The herbal blend seems gentle but effective for kidney health. Appetite has increased, making mealtime less stressful. I appreciate the vitamin B complex supporting overall wellness. This 6-in-1 liquid formula fits perfectly into my pet’s routine. Kidneys and urinary health feel well supported with regular use.
7. Сat Kidney Support | Milk Thistle for Cats | Herbal Supplement for Kittens & Adult Ones | Solution for All Breeds | Care for Liver | Сhicken Flavor | 2 Oz
- Brand: SalutemPet
- Manufacturer: SalutemPet
- Color: Milk Thistle
- Dimensions: Height: 1.57 inches Width: 1.57 inches Length: 4.72 inches Weight: 0.125 pounds `
Support your cat’s kidney health with this gentle herbal supplement featuring milk thistle. Perfect for kittens and adult cats of all breeds, it helps care for the liver naturally. The tasty chicken flavor makes giving supplements easy and stress-free. Small 2 oz size fits well in any home and provides daily support. A natural way to keep your cat feeling healthy and strong.
Advantages
- Supports healthy kidney function in cats of all ages and breeds.
- Milk thistle helps protect and care for your cat’s liver.
- Tasty chicken flavor makes it easy for cats to enjoy daily.
- Herbal ingredients provide natural support without harsh chemicals.
- Suitable for both kittens and adult cats, ensuring lifelong care.
Our Recommendations
My cat loves the chicken flavor and takes the supplement easily. Noticeable improvement in her energy and coat health. The herbal mix seems gentle yet effective for her liver support. Perfect for both kittens and adult cats of any breed. Small bottle size makes it easy to store and use daily. Great natural option to help keep my cat’s kidneys healthy.
8. Rocco & Roxie Cat Urinary Tract Health Supplement, Cranberry and D-Mannose for Kidney, Bladder, and UT Support, Vet Recommended Chicken Flavored Crunchy Chews Cats Love, Made in USA
- Brand: Rocco & Roxie Supply Co.
- Manufacturer: Rocco & Roxie Supply Co.
- Dimensions: Height: 8.0 Inches Width: 5.65 Inches Length: 2.0 Inches
Rocco & Roxie Cat Urinary Tract Health Supplement supports your cat’s kidney and bladder health. Cranberry and D-Mannose help keep the urinary tract clean and healthy. Cats enjoy the chicken-flavored crunchy chews, making daily care easy. Made in the USA and vet recommended for trusted quality. Perfect for maintaining your cat’s comfort and well-being.
Advantages
- Supports healthy urinary tract function in cats effectively.
- Contains cranberry and D-Mannose to help prevent infections.
- Crunchy, chicken-flavored chews that cats enjoy eating.
- Recommended by veterinarians for kidney and bladder health.
- Made in the USA with quality ingredients for safety.
Our Recommendations
Our cat absolutely loves the Rocco & Roxie chews. The chicken flavor is a big hit. Every day, she eagerly waits for her supplement. Her urinary health seems much better. The cranberry and D-Mannose ingredients make a noticeable difference. No more frequent vet visits. These crunchy chews are easy to give. Even our picky eater enjoys them. Made in the USA adds peace of mind. Highly recommended for cat owners looking for a natural supplement.
9. Fera Pet Organics Kidney Supplement for Cats – 60 Scoops – Vet Created Cat Supplement with Cordyceps Blend to Support Overall Kidney Health and Filtration – Powdered Food Topper
- Brand: Fera Pet Organics
- Manufacturer: Fera Pet Organics
- Color: Tan
- Dimensions: Height: 2.375 inches Width: 2.89 inches Length: 2.89 inches Weight: 0.203125 pounds `
Fera Pet Organics Kidney Supplement helps support cats’ kidney health naturally. This vet-created formula includes a special Cordyceps blend for better filtration. Easy to sprinkle on food, it encourages cats to eat without fuss. Quality ingredients work gently to support overall kidney function daily. A simple way to care for your cat’s well-being.
Advantages
- Supports kidney health with natural cordyceps mushroom blend.
- Helps improve kidney filtration for better overall function.
- Powder form mixes easily with your cat’s food.
- Created by vets to ensure safe and effective use.
- Promotes daily kidney support for cats of all ages.
Our Recommendations
Fera Pet Organics Kidney Supplement helped my cat feel better quickly. The powder mixes well with food. My cat likes the taste and eats happily. Kidney health seems improved after using this daily. The vet-designed formula gives me confidence in the product. Easy to use and lasts a long time. I recommend this supplement for cats with kidney concerns.
10. Vetoquinol Renal K+ (Potassium Gluconate) Potassium Supplement Gel for Dogs and Cats, 5oz
- Brand: Vetoquinol
- Manufacturer: Vetoquinol
- Dimensions: Height: 0.9 inches Width: 1.0 inches Length: 7.0 inches Weight: 0.000625 pounds `
Vetoquinol Renal K+ helps keep your pet’s potassium levels balanced. This gel supports healthy kidney function in dogs and cats. Easy to give, it mixes well with food or treats. Safe and gentle, it suits pets with special dietary needs. Trusted by pet owners for daily care and wellness.
Advantages
- Supports healthy potassium levels in dogs and cats easily.
- Helps maintain proper muscle and nerve function daily.
- Comes in a tasty gel form, making dosing simple.
- Aids pets with kidney issues in staying balanced.
- Convenient 5oz size fits well in any pet care routine.
Our Recommendations
Vetoquinol Renal K+ helps keep my dog’s potassium levels steady. Easy to give and my pet likes the taste. The gel is smooth and mixes well with food. Noticeable improvement in energy after a few days of use. Great for dogs and cats with kidney issues. I trust this supplement for daily care. Simple to store and lasts a long time. Makes managing my pet’s health less stressful. Definitely a helpful product for potassium support.
Frequently Asked Questions
What Supplements Help Cats With Kidney Disease?
Omega-3 fatty acids, antioxidants, and B vitamins support kidney health in cats with kidney disease.
Can Supplements Improve My Cat’s Kidney Function?
Certain supplements may slow kidney damage and improve overall kidney function in cats.
Are Phosphate Binders Necessary For Cats With Kidney Problems?
Phosphate binders help reduce phosphate levels, which protect kidneys from further damage.
How Do Antioxidants Benefit Cats With Kidney Disease?
Antioxidants reduce harmful molecules, lowering kidney stress and supporting cat health.
Buying Guide On Best Supplements For Cats With Kidney Disease
1. Check Ingredients for Kidney Support
Supplements with omega-3 fatty acids help reduce kidney inflammation. Look for EPA and DHA from fish oil. Antioxidants like vitamins C and E protect kidney cells. Avoid supplements with high phosphorus or potassium.
2. Choose Products with Easy Absorption
Supplements should be gentle on your cat’s stomach. Liquid forms or powders mix well with food. Capsules might be hard for some cats to swallow. Better absorption means faster benefits.
3. Consult Your Veterinarian First
Always ask your vet before starting any supplement. They know your cat’s health history best. Some supplements may interfere with medications. Regular check-ups track progress and adjust doses.
4. Look for Quality and Safety
Choose brands that follow strict quality standards. Third-party testing ensures purity and potency. Avoid products with fillers and artificial additives. Safe supplements reduce risk of side effects.
5. Consider Supplements That Improve Appetite
Cats with kidney disease often eat less. Supplements with B vitamins or appetite stimulants help. Better eating supports overall kidney health. Watch your cat’s response to new supplements.
6. Review Customer Feedback and Reviews
Reading user experiences helps find reliable products. Pay attention to reports on effectiveness and ease of use. Avoid supplements with many negative reviews. Real feedback offers useful insights.
7. Check Dosage and Serving Size
Supplements should have clear dosing instructions. Proper doses prevent overdose and side effects. Smaller servings work better for cats. Follow label directions carefully.
Conclusion
Choosing the right supplements can help support your cat’s kidney health. Supplements like omega-3 fatty acids, antioxidants, and probiotics may slow kidney disease. Always check with your vet before starting any new supplement. Every cat is different. What works well for one may not suit another.
Monitoring your cat’s condition is important. Good nutrition and proper care make a big difference. Supplements are just one part of the plan. Keeping your cat comfortable and happy is the main goal. Small steps can lead to better days for your pet.
Stay informed and patient. Your cat’s health matters most.