Dr. Becker’s Bites Joint/Tendon treat containing Glucosamine Sulfate, Eggshell Membrane, and MSM (Methylsulfonylmethane), was created to support tendons and ligaments for active, working and growing dogs and cats with joint issues or for proactive joint care. These dog and cat treats and the ingredients in them may help to fortify, nourish, and strengthen the tendons and ligaments in dogs and cats, and slow the progression of joint deterioration.