A Unique 4 in 1 Joint Health Supplement. Formulated to support canine joint health. Myristol contains cetyl myristoleate, hydrolyzed collagen, glucosame and MSM. Myristol is recommended to comprehensively promote, support and maintain joint health in young, active canine athletes, as well as in older dogs. Ingredients per tablet: Cetyl myristoleate fatty acid complex 225 mg Glucosamine HCl (shell fish) 225 mg MethylSulfonylMethane (MSM) 75 mg Hydrolyzed Collagen 225 mg Ascorbic Acid (Vitamin C) 50 mg Manganese (Mn) 0.5 mg Zinc (Zn) 1.0 mg Copper (Cu) 0.2 mg