Joint Health Support for Senior Dogs: Cosequin, the #1 veterinarian recommended retail joint health supplement brand▼, contains glucosamine hydrochloride, sodium chondroitin sulfate, and methylsulfonylmethane (MSM) that helps support healthy cartilage Joint Health Support for Senior Dogs: Cosequin, the #1 veterinarian recommended retail joint health supplement brand▼, contains glucosamine hydrochloride, sodium chondroitin sulfate, and methylsulfonylmethane (MSM) that helps support healthy cartilage Manufactured in the United States with Globally Sourced Ingredients: Cosequin is a high-quality, dog joint supplement From the #1 Veterinarian Recommended Supplement Company*: Nutramax Laboratories Veterinary Sciences has been a leader in pet health for over 30 years, and provides supplements to support joint health, digestive health, and overall wellness Backed by Science: Nutramax Laboratories Veterinary Sciences supplements are veterinarian formulated with high-quality ingredients to ensure your pet is receiving a safe supplement › See more product details