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7 Best Phosphate Binders for Dogs

Written by: Arlene Divina
Arlene Divina, one of the content writers at IHD, loves going on adventures with her adorable fur baby. She now creates informative content for pet parents. Read more
| Published on September 20, 2023
iHeartDogs is reader-supported. Some of the links below may be paid affiliate links, where we receive a small commission on a product at no additional cost to you. 

With an increasing number of dogs diagnosed with kidney-related issues, it’s paramount for pet owners to familiarize themselves with various treatments and dietary adjustments that can offer relief. Among these, phosphate binders have proven to be a key ally in managing elevated phosphate levels, which are common in dogs with kidney disease. This article delves into the best phosphate binders for dogs, highlighting their benefits and offering guidance on choosing the right product for your furry friend.


#1 – Rx Vitamins for Pets Phos-Bind for Dogs & Cats – Supports Normal Function & Health of Kidneys – 200 g Powder

Rx Vitamins for Pets Phos-Bind is a powdered supplement designed to support the normal function and health of kidneys in both dogs and cats. It aims to assist in managing and maintaining kidney health by binding excess phosphorus, which can be harmful to kidneys. With its 200 gm powder formulation, it offers pet owners an option to incorporate it into their pets’ diets for potential kidney care benefits.


#2 – Epakitin – 60 grams

Epakitin is a phosphate binder that supports renal function in dogs and cats. It contains chitosan, calcium carbonate, lactose, and hydrolyzed soy protein, making it a natural and palatable option for pets. It can be easily administered and can be used alongside kidney support diets for phosphate management. Epakitin is free from aluminum hydroxide and helps decrease serum phosphorus, urea, and creatinine levels.


#3 – Rx Phos-Flush Phosphate Binder. Extra Large 200 Grams. Dog Kidney and Cat Kidney Support. Feline Urinary Tract Support. Compliments a Renal Failure Dog Food Diet or Cat Renal Support Diet.

Rx Phos-Flush Phosphate Binder is a 200 gram supplement that supports kidney health in dogs and cats. It contains a proprietary blend of all-natural ingredients such as chitosan, calcium carbonate, and Aluminum Hydroxide that help to remove phosphates from the digestive tract. This veterinarian-recommended product can aid in proper kidney function, reduce pain from renal complications, and protect against infections. It is designed to complement a renal support diet, as it provides an additional layer of protection by preventing the absorption of phosphates. Customer satisfaction is guaranteed, with a full refund offered if not completely satisfied.


#4 – Trukitin Chitosin Based Phosphate Binder for Cats & Dogs – All Natural Human Grade Ingredients for Renal Support Supplement with Calcium Carbonate Oral Powder (Made in U.S.A)

Trukitin is an all-natural phosphate binder designed to support kidney function in dogs and cats. The oral powder contains chitosan, calcium carbonate, lactose, and hydrolyzed soy protein. When used with renal diets, Trukitin may help lower serum phosphorous levels, as well as urea and creatinine levels. It is made in the USA in registered facilities and is independently tested for safety and purity.


#5 – Nutramax NARAQUIN™ Dietary Phosphate Binder + Renal Support Supplement for Cats & Dogs, 60 Count

Nutramax NARAQUIN is a dietary phosphate binder and renal support supplement for cats and dogs. It contains a blend of phosphate binders, including ferric citrate, calcium acetate, and chitosan, to bind intestinal phosphorus and protein byproducts. In addition to its phosphate-binding properties, NARAQUIN also supports renal health with omega-3 fatty acids and beta glucans. It is easy to administer by sprinkling it on food, and it is made by Nutramax Laboratories Veterinary Sciences, a trusted brand in pet health for over 30 years.


#6 – RENARAMAX Dietary Phosphate Binder for Cats & Dogs and Renal Support Supplement Powder for Pets, 120 dose (60.9 g) – (Made in U.S.A)

The RENARAMAX Dietary Phosphate Binder for Cats & Dogs is a supplement designed to improve the quality of life for pets with renal issues. It contains three effective phosphate binders (Ferric Citrate, Calcium Acetate, and Chitosan) that help bind intestinal phosphorus. Additionally, the supplement includes Omega-3 Fatty Acids and Beta Glucans to support renal health and modulate oxidative stress. It is easy to administer with the included scoop and can be used in conjunction with kidney support diets.


#7 – PhosFix for Cats & Dogs: Phosphorus Binder for Cats & Dogs to Support Normal Phosphorus Levels and Kidney Function, Chitosan for Restoring Kidney Health Naturally. A Special Renal Supplement

PhosFix for Cats & Dogs is a phosphorus binder and renal supplement designed to support normal phosphorus levels and kidney function in cats and dogs with kidney disease. It contains powerful ingredients including chitosan for kidney cleansing and niacinamide to support healthy kidney function and cholesterol levels. Users have reported healthier, livelier pets with improved kidney health when using this product. The company offers a free eBook and product support, as well as a money-back refund.


What Are The Benefits of a Phosphate Binder for Dogs? When Should I Give One?

Phosphate binders are vital for dogs that have chronic kidney disease (CKD) or other conditions leading to elevated phosphate levels in the blood. Here are their primary benefits:

  1. Reduced Phosphate Absorption: The main function of phosphate binders is to decrease the absorption of phosphate from the intestines. By binding to dietary phosphates, these compounds prevent them from entering the bloodstream.
  2. Protection Against Secondary Hyperparathyroidism: Elevated phosphate levels can stimulate the parathyroid gland to produce more parathyroid hormone. Over time, this can result in secondary hyperparathyroidism, which can further damage the kidneys and bones. Phosphate binders help reduce this risk.
  3. Improved Quality of Life: High phosphate levels can cause discomfort, itching, and other symptoms in dogs. By managing these levels, phosphate binders can enhance your dog’s overall well-being and comfort.
  4. Support Kidney Function: By keeping phosphate levels in check, phosphate binders indirectly aid in preserving the remaining kidney function and slowing the progression of CKD.

As for when to give a phosphate binder to your dog:

  • Clinical Signs: You should consider phosphate binders if blood tests indicate high phosphate levels or if your dog shows clinical signs related to elevated phosphate.
  • Veterinarian Recommendation: Always administer phosphate binders under the guidance of a veterinarian. They can provide proper dosing and timing information, as well as monitor your dog’s response to the treatment.
  • Dietary Assessment: If your dog’s diet is high in phosphates, a binder might be beneficial, especially if the dog is already diagnosed with CKD or is at risk.

In conclusion, phosphate binders are essential tools in managing dogs with kidney issues. However, they should always be used under veterinary supervision.


Frequently Asked Questions About Phosphate Binders for Dogs

Frequently Asked Questions About Phosphate Binders for Dogs

  1. What is the primary purpose of phosphate binders in dogs?
    • Phosphate binders are used mainly to reduce the absorption of dietary phosphates in the intestines, thereby decreasing elevated phosphate levels in the blood, especially in dogs with chronic kidney disease (CKD).
  2. Why is it essential to manage phosphate levels in dogs?
    • Elevated blood phosphate levels can further damage the kidneys, affect bone health, and lead to secondary hyperparathyroidism. Managing these levels helps slow the progression of CKD and improves the dog’s overall well-being.
  3. Are there side effects associated with phosphate binders?
    • Yes, some dogs might experience constipation, diarrhea, or nausea. It’s essential to monitor your dog and consult with your vet if you notice any adverse reactions.
  4. How do I give my dog phosphate binders?
    • Phosphate binders are typically administered orally, often in pill form. They should be given with meals or as directed by your veterinarian to bind to dietary phosphates effectively.
  5. Can I give human phosphate binders to my dog?
    • It’s crucial to give only veterinary-prescribed phosphate binders to your dog, as human formulations might not be suitable or safe for canine consumption.
  6. How often should I give phosphate binders to my dog?
    • The frequency depends on the specific binder’s formulation and the dog’s needs. Always follow your veterinarian’s recommendations.
  7. Will phosphate binders interfere with other medications my dog is taking?
    • Some phosphate binders can interfere with the absorption of certain medications. It’s vital to inform your veterinarian about all drugs and supplements your dog is taking.
  8. How will I know if the phosphate binder is working?
    • Regular blood tests will monitor the effectiveness of the treatment by checking your dog’s phosphate levels. A reduction in clinical symptoms, like itching, can also indicate its effectiveness.
  9. Are there natural ways to reduce phosphate levels in dogs?
    • Yes, a diet lower in phosphates, specifically designed for dogs with CKD, can help manage phosphate levels. However, in severe cases, dietary changes alone might not be sufficient, and binders may still be necessary.
  10. Can all dogs benefit from phosphate binders?
  • Not all dogs need phosphate binders. They are primarily beneficial for dogs with elevated phosphate levels, especially those with CKD. Always consult with a veterinarian before starting any new treatment.


Conclusion: Best Phosphate Binders for Dogs

Ensuring that our beloved pets lead a comfortable and healthy life, especially when facing challenges like kidney problems, is every dog owner’s priority. Phosphate binders have shown significant potential in helping manage and mitigate the side effects of high phosphate levels. While the options presented in this article rank among the best, it’s always crucial to consult with your veterinarian before making any changes to your dog’s health regimen. Your pet’s well-being is worth every informed decision you make.

iHeartDogs is reader-supported. Some of the links below may be paid affiliate links, where we receive a small commission on a product at no additional cost to you. 

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