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My dog has high ALT. What diet and supplements can help lower it?

Updated On September 23rd, 2025

What is the recommended diet for dogs with elevated liver enzymes, specifically ALT, and are there any recommended supplements to aid in decreasing ALT? Should dogs avoid all fatty foods when the ALT is increased?

5 Answers

Most Helpful Answer

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Answered By Jennifer Ladd, DVM

Veterinarian

Published on May 3rd, 2017

My best recommendation to supplement liver function is a supplement called Denamarin. It contains several of the known ingredients we historically used to support liver health all in one supplement. Very often, I observe my patients Liver enzymes decreasing dramatically on this supplement.

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    Answered By Crystal L. Nelson

    Veterinary Technician

    Published on May 8th, 2017

    You'll want to be sure to follow your Doctors recommendations closely, as not all pets who have an elevated ALT will be diagnosed with Liver Disease. With your doctors approval you can try Royal Canine Hepatic . It's a highly palatable and digestible dog food, restricted in copper content and formulated with nutrients essential to support liver function. Denamarin could help, if prescribed.

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    Answered By Makenzie Kurth, DVM

    Veterinarian

    Published on July 10th, 2018

    Thanks for using PetCoach. For early/mild liver elevations, there are no particular foods that are especially beneficial. However, several effective supplements are available. Some of my favorite examples are below: Vetri-liver Hepagen Denamarin I have used all of these and find them all effective in decreasing mild liver enzyme elevations. Your vet may have other options/recommendations as well. Best wishes to you and Sadie!

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    Answered By Rodrigo Roca, DVM

    Veterinarian

    Published on October 26th, 2018

    Hello, I am sorry to hear about Barrington. There are various causes for elevated liver enzymes in dogs including inflammation of the liver, infections, old age changes, etc. It sounds like your veterinarian has done a great diagnostic workup so far! If this value continues to remain high or increase further the next steps could include bloodwork that tests the function of the liver or an abdominal ultrasound. This would help look for possible disease conditions. Additional medications may be recommended based on these findings. I hope this helps. Good luck!

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    Answered By Lindsey Edwards MVB, BSc, IVCA

    Veterinarian

    Published on March 22nd, 2018

    There are many things which can cause raised alt, including recent surgery/inflammation. A liver function test and ultrasound exam of the liver may be considered if continuing to rise. A liver support tonic such as zentonil or milk thistle may be considered in the meantime

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