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Best diet for cat with kidney issues

AnjinSF

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Jun 15, 2025
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I need some general guidance for my cat's diet. Here's his details:
1. His name is Kimchi, he's 10, male.
2. He is neutered.
3. Tabby cat
4. 15lbs
5. BEAM is all good
6. Up until recently, I've been feeding him Open Farm wet chicken food. Now, as he was just diagnosed with early stage kidney disease, I've been giving him Hills prescription diet kidney care as per the direction of the vet.
7. Kimchi has had a lot of exposure to vaccinations and every year I've taken him to get his teeth cleaned, which means he has had general anesthesia ever since I got him (which was back in 2020).
8. He was just diagnosed with early stage kidney disease, and I want to see if I can change his diet and help with this condition. As mentioned earlier, I've been giving him the Hills prescription diet food but I am positive that that is filled with a lot of chemicals/toxins, so I'd like to feed him differently. As per the vet's directions, I am also giving him a once daily Azodyl probiotic. I’ve also noticed Kimchi sometimes scoots his butt on the carpet after a bowel movement, so I suspect there may be other digestive or GI issues that aren’t showing up clearly


My issue is that I’ve gone through the Holistic 101 pet course and browsed a lot of forum posts, but I’m still unclear on what a healthier homemade or natural diet would actually look like for Kimchi. Is there a book or sample meal plan that outlines balanced meals, especially in terms of meat, organs, vegetables, and supplements? I follow the Medical Medium diet myself (mostly raw vegan), so I know I can’t just feed him what I eat. I’m especially worried about getting the proportions and nutrients right, since I know things like taurine are essential for cats.

One of my biggest concerns is how to feed him fresh food that’s appropriate for his kidney condition. My vet stressed that I need to keep phosphorus and protein low — but if I’m preparing meals with fresh meat like chicken or turkey, won’t those be high-protein by nature? Maybe this is a silly question, but I’m really struggling to understand how a fresh, species-appropriate diet works for a cat with kidney disease. I just want to make sure I’m doing the right thing and not unintentionally making things worse. Any guidance, resources, or examples would be deeply appreciated.

Thank you in advance!
 
IMO there is no justification for using a kidney diet for early stages, and only rarely (as symptom control) in later stages. I just left the hospital a few minutes ago after knee replacement surgery, and my brain is pretty fogged up but here is my take on this condition. Kidney Disease in Cats | Little Big Cat - Dr. Jean Hofve

There are homemade options, the best one I know is Dr. Lisa Pierson's at www.catinfo.org.

But for now, since he's doing great on his current diet, there is no reason to change it.

Just FYI, Hill's products are always 100% refundable.
 
Welcome to HA! and thanks for making your first post about Kimchi.
He was just diagnosed with early stage kidney disease, and I want to see if I can change his diet
As Dr. Jean alluded, a diet change may not be needed or whole-istically indicated.

In my experience, enjoying his fresh (even raw) food diet is much, much more important.

The extra vitality/cellular energy and happiness associated with eating fresh food far outweighs the benefits of any special diet in cats with CRF.

My own 15-year-old kitty, who has been in CRF for years, scarfs down her Viva Raw.

Loss of appetite and eventually not eating at all are the biggest symptoms of morbidity and mortality in cats with kidney diseases in my experience.

Perhaps focus more on feeding fresh delicious food, using structured water and even feeding fresh kidney, adrenal and other organs (use Aventi along with these if his phosphorus is above 5).

 
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