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Is seaweed dental plaque off safe for cats, especially their kidneys?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 11 lbs

Is seaweed (plaque off) harmful to cats? Does it affect their kidneys?

1 Answer

Most Helpful Answer

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Answered By Lauren Jones VMD

Veterinarian

Published on April 3rd, 2017

I would use this product only under the direct supervision of Sweetie's vet. The concern with seaweed, particularly in older cats, is that it is high in both sodium and iodine, which can exacerbate existing heart and thyroid conditions. I have not read any specific reports as to the effect of seaweed on the kidneys. The goal of this product is to keep tartar minimal on the crowns of teeth, but it does not slow or stop diseases under the gumline. As a result, I am not personally convinced of its efficacy.

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3Pet Parents found this answer helpful

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