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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and we never accept free products from manufacturers. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
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Kidney health supplements for cats aim to improve the renal function of felines. As cats age, kidney problems can begin to manifest, leading to a need for supplements. However, cats of any age can be suffering from kidney problems. Cats who are having kidney problems may show signs of blood in the urine, frequent urination, and poor coat quality. Kidney supplements for cats attempt to improve the kidney’s ability to filter toxins from the blood. Some kidney supplements are in a liquid form, while others are in pills or capsules. If you’d like to add the supplement to the cat’s food, a liquid or a crushable pill may work better. Some formulas have a flavoring added to them, hoping the cat will ingest it willingly.

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