Paw Blackmore Osteosupport Joint Care Powder For Dogs Is A Unique Concentrated Green Lipped Mussel Powder Which Is Designed To Provide Pain Relief From Arthritic Symptoms Through The Addition Of Large Levels Of Omega 3 And Natural Sources Of Glycosaminoglycans. Through Containing Balanced Vitamins And Minerals It Results In Optimal Cartilage Production Which Aids In Positive Joint Care