Nutri-Vet Hip & Joint Advanced Strength Chewables for Dogs w/Probiotic Gels, Safety-Sealed 300ct Twin-Pack Easy-to-feed liver flavor chewables help maintain healthy joints & ease minor pain. Provides 500mg Glucosamine, 400mg Chondroitin, 50mg MSM, 50mg Vitamin C & 6mg Hyaluronic Acid Specially formulated for dogs with a previous joint injury or over 7 years of age. BONUS: Include two 1g probiotic gels for instant energy. 1-Year Date-Code Guarantee! Made in the USA.