VETOQUINOL Flexadin Advanced with UCII Soft Chews Joint Supplement for Dogs & Cats, 60 count -

Vetoquinol Flexadin Advanced with UCII Soft Chews Joint Supplement for Dogs & Cats

By Vetoquinol
Rated 4.615 out of 5 stars

$54.49Chewy Price
$58.99Chewy Price
$51.77Autoship Price
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About This Item


  • Supports healthy joints and flexibility
  • Omega-3 fatty acids help relieve inflammation and soothe aching joints
  • Vitamin E, a well-known antioxidant and free radical, helps prevent the breakdown of cartilage
  • UCII, an undenatured type II collagen derived from chicken sternum, provides optimal joint support
  • This highly palatable and easy to chew treat is suitable for all dogs and cats

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Nutritional Information

Feeding Instructions


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Questions & Answers

17 Customer Questions

Where is this product made? Where are the ingredients sourced from?
Answer by ChewyOct 10, 2019
This product is made in Canada. The majority of the ingredients are sourced in Canada as well as the USA.

How long does this take to “kick in”? I have a 20-lb cat and no improvement in almost a month... should I keep giving them to her because it takes a while? The vet told me to get these....
Answer by ChewyOct 17, 2020
The amount of time it takes for these chews to have an effect on your pet will vary based on their current condition, weight, and eating habits among other factors. We recommend reaching out to your veterinarian with any questions you have regarding the efficacy of this supplement.

is this unconjuguled collagen
Answer by ChewySep 12, 2017
Flexadin Advanced contains undenatured collagen Type II.

Can dogs with renal insufficiency take these? What is phosphorus content?
Answer by ChewyMay 20, 2021
There are no contraindications for Flexadin Advanced Chews with UCII for Dogs & Cats. The manufacture does not measure for phosphorus content. These chews are only 3 grams each and the directions are to give 1 chew per day for any size cat or dog. It would be a very small amount of phosphorus in each chew.

ReviewsWrite a Review

Rated 4.615 out of 5 stars
187 Reviews
Would recommend to a friend

187 Customer Reviews

Filter by reviews that mention

Rated 4 out of 5 stars
By Carla1951 on Feb 12, 2023

It Works for So Many/Vet Recommended

Unfortunately, I have an elderly picky cat who stubbornly refuses to eat anything but a few expense select foods. I gave it 4 stars, because I didn't want to low rate it just because my cat refuses to take as treats. Tried mushing up with food, cutting in small pieces, dissolving in tuna juice - NOPE, won't take! So, I cannot speak to the efficacy of the product, but just wanted to share that some cats just won't take these no matter how much other cats enjoy them! I was able to administer some liquid meds but after a week or so, she spent the entire days hiding under the bed. I give up. The poor little thing seems better off with slight arthritic pain than spending all day hiding and not enjoying her sunshine window sills.

Rated 5 out of 5 stars
By CatFan0704 on Nov 14, 2022

My cat loves these

Got these for my elderly cat who can be pretty picky and he loves them! He seems to be a little bit less stiff after starting taking these, but that also coincided with a general turn around for the better in his health so can't give all the credit to these supplements but I'm going to keep giving them to him just in case

Rated 5 out of 5 stars
By Debbir on Feb 3, 2023

Flexadin Advanced

Love this this item. It is very good for hips. This is the second dog I have given this two.

Rated 5 out of 5 stars
By mlvs on Nov 13, 2022

Kitty has spring in her step again!

My 12 year old cat was having a hard time getting to her favorite places, like the bed and sofa. After a few weeks on these she is able to jump up just like she used to do. Fantastic.

Rated 5 out of 5 stars
By Vals on Oct 29, 2022

This stuff really works

This stuff really works. Been using for about a year now. My girl is 10 years old and started to limp after getting up. After about 2 weeks of using the Flex she no longer limps. She is much more active also.

Rated 2 out of 5 stars
By Tismom on Aug 2, 2022

Product great, shipping terrible

I have no issues with the product. I LOVE this and have used Flexadin for years. The issue is the shipping through Chewy. I was promised 1 - 3 day delivery. It was delivered TEN days from order placement. I decided to order online through Chewy because it is cheaper than in the vets office. Doesn't really matter though since my furbaby had to miss five days of his med. Product great. Promised shipping--not kept.

Rated 5 out of 5 stars
By nope on Jul 16, 2022

great supplement

Vet recommended these for my dog. She was adopted with scars on her hock running down the length of her leg to her toes. It causes her discomfort and pain occasionally especially after exercise. I switched to phycox after several years on another supplement. At a vet visit a few months ago I asked about something for pain she was still sore but we hadn’t yet made it through the loading dose of phycox. The vet said it was fine for her to take the two supplements together so that’s what we do. It’s been working fantastic. No limping or stiffness after exercise. Highly recommend.

Rated 5 out of 5 stars
By Patricia on Sep 27, 2022

Vetoquinol Flexadin

So far my dog loves the chew but he has only been taking them a week. He has arthritis in his front legs and limps but I am hoping these chews will strength his joints.

Rated 5 out of 5 stars
By CurlyGirl on Aug 16, 2022

Great results!

My 14 year old shihtzu has arthritis in his back legs and has been on Flexadin for 2 months. He already has more pep in his step and was able to jump on the couch last night!! Definitely going to keep him on this.

Rated 5 out of 5 stars
By Karen on Sep 8, 2022

Yummy Medicine

My 15 year old dog loves these. He thinks they’re treats! And they’ve really helped his joint pain. My vet recommended them and she’s always right.