- Clinically proven supplement containing glucosamine， chondroitin， MSM， antioxidants， plus perna mussel for medium and large dogs
- Up to 41% increase in hind leg strength in just 4 weeks
- Delicious duck-flavored chew is recommended for dogs of all ages needing advanced joint support
- Powerful combination of ingredients helps cushion joints， promote cartilage building and alleviate discomfort caused by normal daily activities
- National Animal Supplement Council (NASC) seal of approval so you know you’re buying a product developed to quality standards
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