10 Best kidney supplements for dogs of 2025

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1

AminAvast
AminAvast Dog Kidney Supplement - Supports Natural Kidney Function - Promotes Health & Vitality of Aging Kidneys - Pet-Friendly, 1000mg, 60 Capsules.
Main highlights

See Benefits Within Weeks
Owners have reported improvements in their pets' hair coat, appetite, weight gain, behavior, and overall quality of life. No side effects reported in long-term use.

Ideal for Pets with Kidney Issues
Promotes healthy kidney and renal function in cats and dogs. Can be used alongside other treatments as recommended by veterinarians.

Improves Pet's Quality of Life
Customers frequently praise the significant improvements in their pets' energy levels, appetite, and overall health, even in senior pets with severe kidney issues.
9.8

Exceptional

Our Rating
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Value for Money

2

Dr. Harvey's
Dr. Harvey's Kidney Health Kidney Support Supplement for Dogs (4 Ounces)
Main highlights

All Natural Kidney Support
Herbal and mushroom supplement supports kidney health with no synthetic ingredients.

Ideal for Picky Eaters
Special blend with cinnamon aroma appeals to finicky dogs.

Positive Customer Feedback on Effectiveness
Improved kidney bloodwork and health reported after consistent use.
9.7

Exceptional

Our Rating

9.9
Simple to use

9.5
quality of ingredients

9.3
Flavor
3

Pet Wellbeing
Pet Wellbeing Kidney Support Gold for Dogs - Healthy Kidney Function, Fluid Balance, Energy Levels, Normal Appetite, Rehmannia, Dong Quai - Veterinarian-Formulated Herbal Supplement 2 oz (59 ml)
Main highlights

Supports Healthy Kidney Function
Clinically shown to aid healthy kidney function with restorative herbs.

Ideal for Dogs with Kidney Issues
Best for dogs experiencing discomfort, stress, or kidney-related problems.

Praised for Energy Boost
Customers appreciate the noticeable increase in their pet's energy and vitality.
9.5

Excellent

Our Rating

8.9
Comfort

8.7
Simple to use

8.4
Flavor
4

Coco and Luna
Milk Thistle for Dogs - 120 Chewable Tablets - Silymarin - Liver and Kidney Support with EPA & DHA - Detox - Liver Supplement for Dogs with Choline and L-Arginine
Main highlights

Liver and Kidney Support
Contains Milk Thistle, Choline, L-Arginine for detox and vitality.

Ideal for Senior Dogs
Perfect for older dogs needing liver and kidney support.

Flavor and Size
Dogs enjoy the flavor, though tablets may need halving.
9.3

Excellent

Our Rating

9.3
Sheerness

8.9
pain management

8.9
Flavor
5

Zesty Paws
Zesty Paws Cranberry Supplement for Dogs - Bladder Control for Dogs - Urinary Tract Support - Cranberry Chews - Immune & Gut Support - Chicken - 90 Count
Main highlights

Comprehensive Urinary Tract Support
Packed with ingredients like D-Mannose and cranberry to support kidney, bladder, and immune health.

Ideal for Dogs with Urinary Issues
Perfect for dogs of all ages experiencing urinary tract problems.

Effective Incontinence Solution
Praised by customers for significantly reducing incontinence issues in dogs.
9.1

Excellent

Our Rating

9.9
Flavor

9.3
quality of ingredients

9.1
worth the money
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6

FSLHCY
Kidney Support for Dogs, Kidney Support Herbal Supplement Drops Supports Healthy Kidney Function & Urinary Tract Health in Dogs Restoring Normal Appetite 2 oz
Main highlights

Supports Kidney and Urinary Health
Formulated with natural herbs to maintain normal kidney function and urinary tract health in dogs.

Ideal for Dogs Needing Appetite Stimulation
Perfect for dogs experiencing reduced appetite, promoting normal eating habits and weight maintenance.

Praised for Improved Energy Levels
Customers highlight the noticeable boost in dogs' energy and vitality after use.
9.0

Excellent

Our Rating
7

Pet Honesty

Pet Honesty Bladder Health Cranberry Supplement for Dogs – Kidney Support for Dogs, Cranberry & D-Mannose for Dog Urinary Tract Health, Dog Urine & Bladder Support (Chicken)

12% Off
8.9

Very Good

Our Rating

9.7
Comfort

9.5
Simple to use

9.1
Flavor
8

VETRISCIENCE
VetriScience Kidney Health Chewable Tablets, Renal Essentials Supplement for Dogs, Urinary Tract and Kidney Support with Mushroom, Astragalus Root, Nettle Seed and Herbs, Smoke Flavor, 60 Count
Main highlights

Complete Kidney and Liver Support
Renal Essentials contains herbs, vitamins, and minerals that support kidney and liver function, normal detoxification, fluid retention, and renal circulation.

Ideal for Senior Dogs with Kidney Issues
Best used for senior dogs with diminished kidney function or early-stage renal disease, especially when combined with a special kidney diet.

Highly Praised for Improving Kidney Health
Many customers noted significant improvements in their dogs' kidney function, reduced vomiting, and overall better health after consistent use of the supplement.
8.7

Very Good

Our Rating

9.3
quality of ingredients

8.0
worth the money

8.0
Flavor
9

WONDER PAWS

Wonder Paws Premium Kidney Support for Dogs – Cranberry Supplement for Dogs – Dog UTI Treatment – Supports Bladder, Detox, Urinary & Kidney Health – Liquid Kidney Supplement for Dogs 2 oz (60ml)
8.4

Good

Our Rating

9.5
worth the money

8.9
Simple to use

8.7
Flavor
10

Jollyfit
6-in-1 Kidney Support for Dogs & Cats – Promotes Healthy Kidney Function, Energy Levels & Fluid Balance – Veterinarian Formulated Herbal Supplement with Vitamin B2 & B6 – 2 fl oz (59 ml)

35% Off
Main highlights

Promotes Kidney Health and Vitality
This 6-IN-1 supplement supports optimal kidney function, fluid balance, and appetite in pets.

Ideal for Pets Needing Kidney Support
Perfect for dogs and cats requiring enhanced kidney health and vitality.

Easy Administration Praised by Customers
Liquid formula easily mixes with food or water, simplifying daily use.
8.1

Good

Our Rating

10 Best kidney supplements for dogs of 2025

1

AminAvast Dog Kidney Supplement - Supports Natural Kidney Function - Promotes Health & Vitality of Aging Kidneys - Pet-Friendly, 1000mg, 60 Capsules.

How do we rank?

How do we rank?

Analyzing top stores

2

Dr. Harvey's Kidney Health Kidney Support Supplement for Dogs (4 Ounces)

9.9

9.5

9.3

3

Pet Wellbeing Kidney Support Gold for Dogs - Healthy Kidney Function, Fluid Balance, Energy Levels, Normal Appetite, Rehmannia, Dong Quai - Veterinarian-Formulated Herbal Supplement 2 oz (59 ml)

8.9

8.7

8.4

4

Milk Thistle for Dogs - 120 Chewable Tablets - Silymarin - Liver and Kidney Support with EPA & DHA - Detox - Liver Supplement for Dogs with Choline and L-Arginine

9.3

8.9

8.9

5

Zesty Paws Cranberry Supplement for Dogs - Bladder Control for Dogs - Urinary Tract Support - Cranberry Chews - Immune & Gut Support - Chicken - 90 Count

9.9

9.3

9.1

6

Kidney Support for Dogs, Kidney Support Herbal Supplement Drops Supports Healthy Kidney Function & Urinary Tract Health in Dogs Restoring Normal Appetite 2 oz

7

Pet Honesty Bladder Health Cranberry Supplement for Dogs – Kidney Support for Dogs, Cranberry & D-Mannose for Dog Urinary Tract Health, Dog Urine & Bladder Support (Chicken)

9.7

9.5

9.1

8

VetriScience Kidney Health Chewable Tablets, Renal Essentials Supplement for Dogs, Urinary Tract and Kidney Support with Mushroom, Astragalus Root, Nettle Seed and Herbs, Smoke Flavor, 60 Count

9.3

8.0

8.0

9

Wonder Paws Premium Kidney Support for Dogs – Cranberry Supplement for Dogs – Dog UTI Treatment – Supports Bladder, Detox, Urinary & Kidney Health – Liquid Kidney Supplement for Dogs 2 oz (60ml)

9.5

8.9

8.7

10

6-in-1 Kidney Support for Dogs & Cats – Promotes Healthy Kidney Function, Energy Levels & Fluid Balance – Veterinarian Formulated Herbal Supplement with Vitamin B2 & B6 – 2 fl oz (59 ml)

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