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Cosequin Maximum Strength Plus MSM is a chewable joint supplement for dogs built on glucosamine hydrochloride (FCHG49) and sodium chondroitin sulfate (TRH122), with MSM added for extra joint support. It is the strongest formula in the Cosequin retail line and the brand most often recommended by veterinarians. Owners of senior dogs, large breeds and dogs with hip dysplasia report the most benefit, though results take weeks and are not a substitute for veterinary care. Against plain glucosamine chews it adds chondroitin and MSM; against prescription joint diets it is a supplement, not a treatment.
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Lowest price we've seen: $15.87 on Nov 1 at Chewy.com; highest $19.96 on Nov 9. Tracked across 19 stores since Nov 1.
Rated 4.7 out of 5 across about 9,700 ratings, with owners of senior and dysplastic dogs reporting the strongest results. Praise centers on mobility gains in older dogs; complaints are mostly about taste and the time before results appear.
Cosequin Maximum Strength Joint Health Plus MSM is a joint health supplement for dogs. It combines glucosamine hydrochloride (FCHG49), sodium chondroitin sulfate (TRH122) and methylsulfonylmethane (MSM). Together, these ingredients support healthy joints and healthy cartilage.
It comes as tasty chewable tablets. The formula is made for all types of dogs, from young dogs to large breeds to senior dogs. It is manufactured in the United States with globally sourced ingredients by Nutramax Laboratories Veterinary Sciences, Inc.

