Nutri-Vet Hip and Joint Level 3 Chewable Tablet for Dogs, 100-Count Liver flavor chewable tablets maintain healthy joints For with a previous injury or over 9 years of age Provides 500-mg of glucosamine, 400-mg of chondroitin and 50-mg msm Veterinary-formulated chewable tablet One-half chewable per 40-pound of body weight twice daily