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40 Reviews
90% (36)
10% (4)
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100% Recommend this product (40 of 40 responses)
By Jean
Great Product and Price
September 16, 2021
Offering the 3 pack was the biggest selling point for me.
  • Great price, fast shipping.
  • None
By David
Chilliwack, BC
March 19, 2021
International order of Denosyl for Large Dogs received very promptly; we have been very satisfied dealing with EntirelyPets for the past several orders, and will do so again
  • very fast, efficient service and delivery, even across the international border, and during the pandemic
  • price for this product has been increasing slightly, but is still a good deal
By Sharon
Prince George, BC
good service
November 2, 2020
Entirely Pets has been very good to deal with, if I have any questions they always get back to me, and are very helpful.
By Catharine
Coquitlam, BC
Great Customer Service
September 14, 2020
When my previous order did not arrive due to issues with shipping during COVID, customer service was very accommodating by offering a credit on my next purchase, and reimbursing me the equivalent amount that I spent with points. My next order arrived promptly, and the credit was issued directly to my bank account! Great customer service!

Merchant Response:Catharine, Thank you for understanding. We will get through this together. We mean only the best for you, your order and your pets.
By Capsparents
Portland, OR
Fair price
October 19, 2018
Our dog Cap has valley fever and our vet remommends Denyosyl to counteract the effects of his prescription medication. We're so glad we found entirely pets! With the semi regular sales they have, it's always have the most competitive price.
By Eyka3006
Chables FR, Schweiz
The best for my dogs
June 27, 2018
I will buy it again and again, thanks for good service
By Heidi
Pennsburg, PA
Great Stuff!!!
April 4, 2017
Our dog Bullet has been using Denosyl to improve the health of his liver. He does very well with these and has been taking them for over 2 years.
By clg144
Richland, WA
Great deal
January 22, 2016
Quality product, great pricing, I really appreciate the good deal..
By Tom
Review for 3 Pack Denosyl for dogs over 35 lbs (90 tablets) 425 mg
November 23, 2015
Product worked as recommended by our vet. lowered certain liver-related enzyme in out dog and she's back to normal
By Patzie
Lexington KY
Supplement that works
November 21, 2015
I hesitate to review supplements that border on being a medication because I am not a medical professional, but I will be happy to share my personal experience. My dog was diagnosed with atypical Addison's disease several years ago. She must take prednisone on a daily basis and long term use has damaged her liver. Her veterinarian recommended Denosyl. She has faithfully taken this supplement 2X a day for years and her liver values have remained "good" for a dog with her problems.
By Dozie's m.
Good value
August 3, 2015
This is a med I used to buy from our vet. It is about 1/2 price from Entirely Pets. So nice to get a bargain on a necessary medication.
By Debsieo
Denosyl seems to help
August 1, 2015
Our furry fellow has had a number of issues over the past year, including now being treated for diabetes with 2 injections of insulin/day. Denosyl treats his sub-par liver function and although I know his vastly improved health is due to a group of treatments (and can't know how much of it is specifically due to the Denosyl) he's in the best health he's been in for a long time and we're happy to continue all therapies, including the Denosyl. We're not going to quibble with success!
By Jen
Middleburg, PA
Helped my dog.
June 3, 2015
My vet recommended this product to help with liver support for my dog's copper storage disease. I'm glad I found this product here at a much more affordable price. It has really helped with his liver values and has extended his life.
By redlady
Gilbertsville, NY
good price for this product
May 19, 2015
I really don't know the effects of my dog taking this medication for his liver. Blood tests have not been redone since the start. I am hoping it is controlling his problem. Good price; good delivery time.
By baltos m.
long island, ny
price can't be beat
May 4, 2015
buying this med for my dog through entirely pets allows me to get one package free!
By linny
Las Vegas Nv.
March 29, 2015
well its almost one month since my Sadie has been taking this and not really sure if it is helping or not. I think it is but will no more when I get her another blood count on her liver. sure hoping that it helped bring the #s down, so we will see.
By Celje
Life saver
September 5, 2014
This product saved my senior dogs life. I would recommend it for liver problems for senior dogs.
By Tom
Denosyl for Cataracts in dogs
May 22, 2014
I use glutathione to control/reverse my cataracts, and I searched for a veterinary product to do the same for my dog Spike. Denosyl is sold for treating the liver, but if you read the "fine print" it greatly increases the dog's own production of glutathione in the liver. If you research glutathione you will learn that it 1.) must be made in the body from other precursors, and 2.) it performs many vital tasks in improving overall health. Denosyl is an excellent source of a precursor for glutathione (but not for human consumption - you can use Sam-E or N-Acetylcystiene to do that). It has significantly improved Spike's health.
By Ellie's M.
Phoenix, Arizona
Used Denosyl for years
April 1, 2014
Great product that has helped my dog who struggles with liver issues. She has been on Denosyl for many years and it has helped to keep her liver values stable.
By Jan
Saves Money
September 3, 2013
This product was prescribed for my dog by her vet. To purchase it from the vet costs twice as much as when you buy it from Entirely Pets. Good service too.
By NancyinTX
Life Saver for my best friend!
May 10, 2013
My then 13 year old Border Collie, Josie, was diagnosed with severe liver disease more than a year ago and declining rapidly. With a little research on of my own I made the decision to put her on a daily regime of a recommended LD product called Marin. When Marin was not readily available I substituted another LD product called Denosyl. To this daily dose I added a supplemental nutrient and antioxidant capsule of Proanthozone along with the vet recommended dose of Prednisone and a strict LD Diet kibble. It's amazing to see the quality of life Josie has enjoyed since I began the routine! She moves a little slower these days when she plays her favorite game of fetch but she is eating well, has a healthy coat and has regained her happy joyful personality! I don't know if it can be attributed to just one thing but, I'm not willing to risk changing any of it. Worth a try for sure. Please, NO MEAT SCRAPES no matter how much you'd like to give your pet a little treat, as just a small piece reverses Josie's condition drastically-learn from my mistake. Best to you and your beloved dog!
By Gene
saved my dogs life
April 15, 2013
This product saved my dogs life , I lost her mother to liver failure . I wished I had found it sooner . When I found Sadie was having the same problem as her mom the Vet said to try this , after 6 mo. her liver numbers were cut in half , I gave her 2 pills per day then after about 9 mo. her numbers were good enough that I now give her just one pill per day and her numbers are in the good range , and have been for about 9 mo. Best stuff ever
By Susan
Excellent Product
February 28, 2013
My dog was having serious liver problems a little more than a year ago and now he is doing great. He has been taking Denosyl for a year now and I wouldn't take him off it!!!
By Lablover
Required med
November 23, 2012
My dog take phenobarbitol and potassium bromide to prevent seizures. He takes Denosyl to keep his liver functioning well. He needs this and I am pleased that Entirely Pets can provide it.
By doris
Quebec, Canada
good product
November 1, 2012
I used to buy Zentonil but Denosyl do the same job. My dog's last blood test was very good.
By Sylvia
Burlington, ON
Denosyl 425mg
September 6, 2012
At the advice of our vet, our dog has just finished a 3-week course of Denosyl 425 and his liver is back to normal. Obviously the product worked and we are truly happy with his quick recovery.
By Red D.
Brought down liver enzymes
July 30, 2012
This product, along with Marin, and over the course of a few months, helped to significantly bring down our senior's high liver enzyme level.
By Clyde R.
North Carolina
Denosyl is a miracle worker!
June 5, 2012
I have a 15 year mixed breed dog who years ago was very ill and near death. The doctor said he had the same thing as Serosis of the liver. He told me to try Denosyl. This made a huge difference. He bounced back and has never been better. It may not work for all dogs but it is worth a try. Entirely Pets also sells it the cheapest.
By Ernie
Carlsbad, NM
March 26, 2012
This product works and the price at Engtirely Pets is better than others.
By fuzz
rhinelander WISCONSIN
great price
January 25, 2012
this product was a third the cost of purchasing through my vet. Thanks
By Kat
Great Purchase
December 30, 2011
This was less then half the price as the vets and it was delivered in a timely manner BUT I ordered 3 boxes and they were all in one package and the package was totally open at the top so I wasn't pleased about that but everything was ok with the boxes. Hopefully next time they will make sure it is well sealed.
By poohdlekb
Great Pricing
December 8, 2011
This is a great price for this product! Denosyl keeps my dog healthy.
By David
Christiansburg, VA
Whatever it takes
November 30, 2011
Denosyl is fairly expensive, but I will do whatever it takes to keep my dogs healthy. My 13 year old was diagnosed with liver disease 5 years ago and prescribed Denosyl. She is still doing well. Entirely Pets makes it much more affordable.
By Judi
New Cumberland, PA
Best Online Price
November 30, 2011
We have had our GSD on Denosyl and Marin for almost 5 years now due to liver disease. I searched the internet and found Entirely Pets to be the best price anywhere. Just recently they have offered the 3 month auto-ship which I really love. We have her dog food on auto-ship and now her meds. I don't have to worry about running out ever again. Thank you EntirelyPets. We also like your choices of toys for dogs. Great prices and quality.
By JandL
Great price for product & no prescription needed!!
November 22, 2011
Great product! My dog has acute liver disease and needs Denosyl for the remainder of her life, so I try to find the cheapest price out there. Normally I would need a prescription for this product, but EntirelyPets did not require one. You can't beat the price!
By DogMom22bcs
Good product
November 6, 2011
My dog has been on Denosyl for several years; I do think it has helped. I would suggest slightly more/better packing, as the boxes come slightly crushed - but the contents are fine.
By jeff
Review for 3 Pack Denosyl for dogs over 35 lbs (90 tablets) 425 mg
October 30, 2011
This medicine is exactly the same as was given at the vet but a lot more inexpensive. Delivery is completed in a timely fashion as well.
By Vicky
Roanoke, VA
EntirelyPets Entirely Out of this World
October 8, 2011
My dog has liver issues and has to take Denosyl. This medicine is expensive through a vet. However, I found it at a much lower price at I soon found out that was only a small part of what EntirelyPets offered. I get free shipping and often get percentages off of my order. But the best part is that I can order it and within 2 days I have the order. I highly recommend using them. Thank you EntirelyPets!
By Snoopsmom
Dog with tumor on liver
February 25, 2011
My 13 year old mixed breed was diagnosed with an inoperable liver tumor two years ago. She had elevated levels of liver enzymes, which led to an ultrasound revealing the tumor. Our vet recommende denosyl, which supports liver function. Knock wood, two years later she is still going strong!! And buying online makes this supplement affordable. Worth the cost to keep my best friend with me for as long as possible!!!
By Frank
Johnson City, TN
Denoysl Effectiveness
March 4, 2010
My dog is going on 13 and was taken to the vet with anemic like symptoms. It turned out to be a problem with the spleen and lukemia like symptoms on the body. He has been in treatment now since early Oct of 09. This product has helped him wonderfully. He is recovering and this product seems to be protecting his liver. He is still under treatment but he's holding his own and now the doses are been reduced 3 times. I think this product just might be what has pulled through all the toxic medications he's be on for over 6 months.

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