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Cosequin® ASU Plus

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Product Overview

The Most Advanced Cosequin Formula

Cosequin® is the #1 veterinarian recommended joint health supplement brand*. Cosequin ASU Plus is veterinarian formulated with avocado/soybean unsaponifiables (ASU), glucosamine, chondroitin sulfate, methylsulfonylmethane (MSM), boswellia serrata extract, green tea extract and HA to provide joint health support for equine athletes regardless of discipline or performance level. When performance matters, choose Cosequin.

  • Joint Health Support for Horses: This supplement is formulated with glucosamine, chondroitin sulfate, methylsulfonylmethane (MSM), avocado/soybean unsaponifiables (ASU), green tea extract and hyaluronic acid to support joint health.
  • Powered by ASU: The combination of ASU, glucosamine, and chondroitin found in Cosequin ASU have been shown to be more effective supporting joint health than either glucosamine or chondroitin sulfate alone in cell culture studies.
  • High Quality Ingredients: Avocado/soybean unsaponifiables, or ASU, is derived from avocados and soybeans. Studies using cartilage cells have shown that ASU inhibits the expression of several components involved in the process of cartilage breakdown in joints.
  • Formulated for Your Horse: The combination of ASU, glucosamine, chondroitin sulfate, with HA was shown to be more effective in reducing the expression of several factors involved in the breakdown of cartilage than ASU, glucosamine, chondroitin sulfate or HA alone in cell culture studies.
  • Backed by Science: Nutramax Laboratories Veterinary Sciences supplements are veterinarian formulated with high-quality ingredients to support your horse’s joint health, no matter their discipline or performance level.

*Survey conducted among equine veterinarians who recommended oral joint health supplements. 

Learn More

Key Ingredients


Supplement Facts

Ingredient Name Amount Per Serving
Ingredient Name Amount Per Pound

Ingredient Details


Weight Recommended Amount Loading Amount

How the Ingredients Work


Supporting Success

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The reviews provided on this website represent the experience of the individual posting the review. We do not adopt, edit, or endorse any of the submissions posted within the reviews section. Rather, the reviews are part of an online community of animal owners that desire to share their particular experience with other individuals. These reviews are not a substitute for discussing the health of your animal with a veterinarian.

SmartPak customers are some of the most conscientious animal owners around. We encourage you to share your experience with the products we sell to help fellow customers to make informed choices for their animals. We do not edit these reviews in any way - they are direct customer-to-customer communication. We do monitor reviews for positive and negative feedback, and use this feedback to improve our selection as well as sharing feedback with product manufacturers to help them improve their products. Please note that we recommend consulting your vet with serious health issues.

Cosequin® ASU Plus is rated 4.7 out of 5 by 70.
Rated 5 out of 5 by from Only supplement my vet recommended I have a thoroughbred who has DSLD. All has been done for her. We are monitoring her heartbeat. She has been taking this for a month. A very picky eater her supplements were always pellets. Surprised to find she eats it mixed with Senior & Strategy. We believe Cosequin + is giving her some relief. Sweetest mare we are heartbroken
Date published: 2018-12-20
Rated 5 out of 5 by from Great start I stocked up on 3 containers of this when Smartpak had a sale. I was adopting an 17 year old Standardbred who had a difficult life of working for the Amish. My horse was doing ok after being restarted under saddle and was sound at the walk. When it started to get colder, he started to get grumpy. He is usually pretty easy going and agreeable so this was new. So I started the Cosequin ASU + with the loading dose on December 1st. Today we went for a ride and although he is still a little short strided in front, which is his norm, he was cooperative, agreeable, and willing. I do think he is feeling better, even after this short time. We will be using this all winter and see how he is in the Spring.
Date published: 2018-12-13
Rated 5 out of 5 by from Has made a big difference I bought this for one of my older lesson horses and it seems to have made a huge difference in his comfort.
Date published: 2018-11-27
Rated 5 out of 5 by from As ASU PLUS has made a difference in a short period of time
Date published: 2018-08-04
Rated 4 out of 5 by from Cosequin works I get nervous feeling my horse up with a lot of strange ingredients. Cosequin gives you a great dose of what works.
Date published: 2018-05-11
Rated 5 out of 5 by from It keeps my horse healthy through a Long Winter at this high elevation
Date published: 2018-04-23
Rated 5 out of 5 by from makes a difference my horse is not as stiff after I started him on this product. picky horse but likes the taste
Date published: 2018-03-11
Rated 4 out of 5 by from Worthy This product has really help my quarter horse with his stiffness.
Date published: 2017-11-15
Rated 5 out of 5 by from Fantastic I'm very pleased on how this product has helped my 18 yr old mare stay comfortable during exercise.
Date published: 2017-09-05
Rated 4 out of 5 by from Has everything in it! I hope this helps my horses' long term joint care!
Date published: 2017-08-09
Rated 5 out of 5 by from Love! Love! Love! Have been on this since my horse broke his elbow into the joint last year per vet reccomendations. (Fully healed and working again) the once creaky hocks now move great and we have not once noticed a problem with his elbow joint. Pony looks and feels great!
Date published: 2017-06-16
Rated 4 out of 5 by from Easy & tasty. I bought this because my Vet recommended it, even tho my mare is only 10 years old. Preventive joint support is crucial to equine joint longevity. He said there has been much testing on this product that indicates its benefits. My mare sniffs the jar each time I open it. She like it.
Date published: 2017-02-20
Rated 1 out of 5 by from My horse will not eat it! He slowly stopped eating this supplement over the course of the last three months, now he just eats around it. It's too expensive to keep him on a supplement that he may or may not be consuming. I wish this had a pelleted option to at least try!
Date published: 2016-12-22
Rated 5 out of 5 by from Great Supplement! This has made a big difference with our horse. So glad we got.
Date published: 2016-11-29
Rated 5 out of 5 by from Works!!! I love this stuff! We show on the quarter horse circuit, we are on the road and my horse is in heavy training, instead of having vet bills to keep my horse comfortable in the joints I use this. It has helped tremendously. Even though it is a powder my horse eats it no problem.
Date published: 2016-08-19
Rated 5 out of 5 by from Helps a ton! I bought this supplement to help my horse who had pain in her hocks and didn't want to start injecting them. After about a month she is not longer lame and has no problem being ridden! She also licks her feed tub clean. Recommend this 100%
Date published: 2016-07-12
Rated 5 out of 5 by from Love this Really helps my horse! I notice a difference on his stiffness coming out of stall when he is on this. He is a Cosequin Lifer!
Date published: 2016-06-20
Rated 5 out of 5 by from Quick shipping! Best price! Love Cosequin ASU plus, works the best
Date published: 2016-05-30
Rated 4 out of 5 by from Horse loves this Everytime I have used this Sienna has always felt better and you can tell it makes a difference in her performance.
Date published: 2016-05-04
Rated 5 out of 5 by from Easy to give! We have seen Jack improve since changing from plain Cosequin, as recommended by out Vet, moving much better, esier.
Date published: 2016-04-23
Rated 5 out of 5 by from Easy to use This is an excellent product and I feel that my horses will be protected.
Date published: 2016-04-05
Rated 5 out of 5 by from Hugh difference in my horse! I've had my horse, Stoney, for a year now and he's had stifle issues all along. My vet didn't feel it was serious and it could be worked out with consistent workouts. He just turned 6. Within 2 weeks of starting Cosequin ASU Plus (6 weeks ago) Stoney was stepping into the canter without any problems and felt well balanced. Pain in his back was gone too. When I reduced the Cosequin I noticed the pain returned. The direction say you may need to increase dose with increased activity. So, after 2 weeks of increasing the Cosequin to it's original dose Stoney is noticeably without pain once again. The pain is gone twice since I've had him and it's only after he's taken the right amount of Cosequin. Coincidence, I don't think so.
Date published: 2016-03-02
Rated 5 out of 5 by from Helps my arthritic horse's joints I have had my 15 year old dressage horse on this product for about 5 months now. I highly recommend it. It is definitely an expensive product, but SmartPak has the lowest price I've found and it is definitely worth the buck.
Date published: 2016-01-11
Rated 4 out of 5 by from Wish it was available in pellets Great product however, I am seeing a lot of days where my horse has left over powder from this supplement in his bucket. Wish he was getting the full quantity. Going to give it another month and if he continues to have significant amounts left over i will switch back to a pelleted join supplement.
Date published: 2016-01-03
Rated 5 out of 5 by from Great results I bought this product 2 m9nth ago for my 8 year old morgan mare who sometimes starTed her workouts a but stiff. She seems much softer join wide and warms up much quicker, clearly her joints are more comfortable!
Date published: 2015-11-14
Rated 4 out of 5 by from Just started 9 year old with persistent front joint issues on this product. Hoping to give him some additional support with this supplement. I am seeing powder left in his feed tub on some days. Wish it were available in pellets.
Date published: 2015-10-26
Rated 5 out of 5 by from Technical Avonlea is 22 years old. I do notice an overall improvement in her movement. Great product.
Date published: 2015-10-01
Rated 3 out of 5 by from review unfortunately my horse would not eat, that being said she is a very fussy eater
Date published: 2015-06-18
Rated 5 out of 5 by from Excellent product. Cosequin ASU has definitely helped my 21-year-old horse, who has arthritis. After taking it for a week or so, he was moving better and obviously with little or no pain. He is no longer cranky! It helped much more than other products I had tried.
Date published: 2015-05-26
Rated 5 out of 5 by from This Product work's My 8 yr old Made had a bad stifle injury when she was 3. She was very uncomfortable in the canter and bucked occasionally to protest. She has been on this for 69 days and I can not believe the difference. She is happy to canter and her gates are more fluid in movement. I am a true believer in this product. As they say the "proof is in the pudding".
Date published: 2015-04-27
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