Nutramax Denamarin Tablets Liver Supplement for Dogs

By Nutramax
Rated 4.5863 out of 5 stars
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$139.98Chewy Price
$132.98Autoship Price
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About This Item

  • Increases levels of glutathione, an important compound for liver health
  • Has also been shown to help protect liver cells from cell death and may help cell reparation and regeneration
  • Supports pet’s liver with silybin, which maintains a healthy oxidative balance
  • Provides SAMe in a stabilized form to help with brain health and act as a neuroprotector
  • Easy to administer, tablets for large dogs
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Learn More About Nutramax From Our Team of Experts

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Top IngredientsActive Ingredients: S-Adenosylmethionine, Silybin A+B.Active Ingredients: S-Adenosylmethionine, Silybin A+B.Ingredients per capsule: Milk Thistle Extract 100 mg (EMed-MT premium providing 80% Silymarin and 30% silybinin) Inositol 20 mg Choline 20 mg DL-Methionine(pharmaceutical grade) 20 mg Pantothenic Acid (calcium pantothenate) 10 mg Vitamin B-1 (thiamine) 5 mg Vitamin B-2 (riboflavin) 5 mg Vitamin B-6 (pyridoxine) 5 mg Alpha Lipoic Acid 5 mg Vitamin B-12 (cyanocobalamin) 10 mcg Inactive ingredients: Gelatin‚ glycerin‚ silica and water....Active Ingredients: (Per Approximately 1 Chew) Gluta-Syn Whey Protein Isolate, Betaine, Turmeric Extract...Active Ingredients: Certified Organic Milk Thistle Seed (Silybum Marianum)., Inactive Ingredients: Deionized Water, Natural Bacon Flavor (Glycerin-Based)...
Breed SizeMedium Breeds, Large Breeds, Giant BreedsMedium Breeds, Small BreedsAll Breeds, Extra Small & Toy Breeds, Small Breeds...Small Breeds, Medium Breeds, Large Breeds...Small Breeds, Medium Breeds, Large Breeds...
LifestageAdult, SeniorAdult, SeniorAdultAdult, SeniorAdult, Senior, Puppy, Kitten
Health FeatureLiver CareLiver CareLiver CareLiver CareLiver Care
Food FormSupplementSupplementSupplement, Food ToppingSupplementSupplement
Food FlavorLiver, MeatBacon, Liver, Meat

Questions & Answers

29 Customer Questions

How long does it take for Denamarin to start working once started?
Answer by ChewyOct 14, 2017
This products takes 15 to 30 days for results.

Can I put the tablet in a pill pocket, even though it says to give on an empty stomach? What if my dog tries to chew the tablet since it says tablet should not be split or crushed?
Answer by ChewyAug 27, 2020
While these tablets may be chewed, they do not have to be in order to be effective. This medication should be administered on an empty stomach at least 1 hour before eating. If you must mask with food it is recommended to use no more than one tablespoon.

Does this have to be given on an empty stomach
Answer by ChewyJul 04, 2017
These tablets should be fed to pets on an empty stomach, at least an hour before eating for optimal absorption.

What are side effects?
Answer by ChewyFeb 28, 2022
The active ingredients in Denamarin® have been shown to be well-tolerated by both dogs and cats with a wide margin of safety. There are no known interactions of Denamarin® with drugs or other supplements.

ReviewsWrite a Review

Rated 4.5863 out of 5 stars
394 Reviews
Would recommend to a friend

394 Customer Reviews

Rated 5 out of 5 stars
By LisaAnn on Jul 20, 2022

So helpful!

My vet suggested as a way to get Denamarin (liver supplement) for my Border collie. This is desperately needed as my pet has an inoperable tumor in his liver. We were so worried about where/how we could get continual packs of this, which is only 15 days worth of supplements for him. I ordered the product and it was at my door in less than 24 hours! Reasonable price and discount for creating an on-going order. Fantastic!

Rated 5 out of 5 stars
By Redhare on Jul 31, 2022

Easy and fast !

I was so relieved to get my dog’s necessary meds through Chewy since my vet was unable to supply them! He has a life threatening liver problem and he can’t live without the meds . I was also pleased to have a link to order the meds every month and pay less than anywhere else ! Chewy makes taking care of my babies easy and inexpensive! Thanks, Chewy!

Rated 4 out of 5 stars
By Sandy on Jul 15, 2022

Anything for my pup

Vet recommended Denamarin when my pups liver count came back high. We have been on them ever since. I did do a little research and saw foods that helped the liver. One of the things mentioned was Purple Sweet Potatoes. So I bought some Stokes at the store and diced them up and roasted them in the oven. Last liver test came back in range. The potatoes have 3 times the amount of antioxidants as blueberries. So these have been added to her dish with the kibble.

Rated 1 out of 5 stars
By GermanShepherdOwner on Jul 28, 2022

Taste Bad, stain fingers and clothes

My dog wouldnt take it. I tried wrapping it in chicken, liver, steak and my dog would spit it out. They must taste terrible. They also have a blue coating that will stain your fingers and clothes. It's been two days and I still have blue on my fingers. I cant speak on how effective they are as my dog never took them.

Rated 1 out of 5 stars
By Sadiemom on Jul 26, 2022

Price increase

I was extremely disappointed to see that the price of Denamarin increased. Now I find out that you're back to selling this at 69.99. I feel like I really got stung! Why the price increase and now it's back to the original pricing I've previously been paying. I've just placed my order for 3 boxes from another company

Rated 5 out of 5 stars
By Paulsa on Jun 26, 2022

Nice Size Tablet

The other Denamarin tablets I purchased were round and I need to cut them in half as she refused to chew them. These tablets are more oblong and I give them with peanut butter. Just make sure you read the directions and order the correct tablets for your dogs weight.

Rated 5 out of 5 stars
By Mateus on Aug 3, 2022

Denamarin Successful in Reducing My Dog's Liver Enzyme

Item received as described, intact & timely. Blood test has revealed that it has been effective in reducing my dog's one elevated liver enzyme. Job well done!

Rated 5 out of 5 stars
By Prudie on Jul 15, 2022

Denamarin liver support

My dog was on Denosyl for about 1 year with great results but then it became unavailable. He has only been on this for about 1 week. Tolerance is great, blood work in September will tell more

Rated 3 out of 5 stars
By JMCC on May 22, 2022

Must taste terrible

I can't comment on the effectiveness of the Denamarin as I only ordered these a few weeks ago and my dog's next liver test isn't for another month. However, I can say that these chewable pills must taste terrible as I have to wrap the pill in lunch meat and then hold her mouth shut until she swallows the pill. And, this is a dog that never turns down any food - of any kind!

Rated 5 out of 5 stars
By Mary on Jul 1, 2022


My dog was diagnosed with a mass on her liver. Denamarin tablets were suggested for treatment and they have been a life saver for my dog. Her appetite is back and she has her strength back.