Glucosamine and chondroitin, as well as MSM, are commonly used to treat osteoarthritis (also known as degenerative joint disease) in dogs, cats, and horses. But be careful -- ConsumerLab.com's review found that four supplements contained just 5% to 17% of one or more of their claimed ingredients!
You must subscribe to get the full test results of the glucosamine, chondroitin and MSM supplements review along with ConsumerLab.com recommendations and quality ratings for pet and horse supplements.
You will get test results for 16 supplements for animals: 6 selected by ConsumerLab.com (including the 4 that failed testing) and 10 other supplements that passed voluntary certification testing. Animal supplement product reviews and ratings include those sold as a tablet, powder, liquid, chew or treat.
In this comprehensive report, you'll discover:
- Which glucosamine, chondroitin, and/or MSM supplements reviewed failed testing and which passed
- Direct comparisons and quality ratings of glucosamine, chondroitin, and MSM supplements for animals
- Dosage information and clinical evidence of what the ingredients may or may not do for dogs, cats, and horses
- What to look for, and look out for, on label of pet and horse supplements
- Cautions and potential side-effects of supplements for dogs, cats, and horses

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