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Dog with enlarged heart: Can I add natural food & fish oil to kibble?

Updated On September 23rd, 2025

Pet's info: Dog | Beagle | Female | unspayed | 8 years and 7 months old | 30 lbs

Hi! My pet was recently diagnosed with Enlarged Heart and the vet we consulted prescribed Furosemide (40mg) and Enalapril (5mg) 2x a day. The vet also prescribed Royal Canin "Satiety" for weight loss and low sodium. I am wondering if I can give my dog a natural diet in conjunction with the medication and a little of the kibble. I have been doing a lot of research and want to blend kale, spinach and brocolli and othervegetables to give to my pet. do you recommend Fish Oil too? Let me know thanks.

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1 Answer

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Answered By Sara Farmer, DVM

Veterinarian

Published on April 19th, 2019

While these vegetables are okay to add in as a supplement I would make sure that kibble is 90% of the diet to avoid nutritional deficiencies. Recently there has been some concern about boutique, grain free and exotic ingredient diets and a link to dilated cardiomyopathy which could cause heart enlargement, and it seems like kibble from larger companies like Royal Canin are the safest option. Fish oil may be beneficial for dogs with cardiac disease.

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