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My puppy has swollen lymph nodes. What diet for potential cancer?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Female | unspayed | 3 months and 19 days old | 20 lbs

My four month old dog might have cancer. I want to put her on a diet or add beneficial things to her diet in case that it is. She will be going to get a biopsy on Monday to assess her swollen lymph nodes on her back legs. The vet we go to has her eating raw mushrooms, Brussels sprouts, turmeric and broccoli. I was also told to give her omega 3, so i have fish oil for her. The trainer at pet co recommended the picture below. Someone else recommended a raw diet ... currently she is eating Origen

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Answered By Lindsey Edwards MVB, BSc, IVCA

Veterinarian

Published on August 17th, 2019

I would await her biopsy results (preliminary cytology results should be available within 72hours) before embarking on such as radical diet change in a puppy as many 'cancer' diets are designed to starve the tumour of easily available energy (as well as being enriched with antioxidants etc) which is not necessarily an ideal diet for such a young puppy and tumours are quite rare although not impossible in this age group. In the rare event of a positive result. referral to a specialist oncologist would be recommended with such a young dog

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