Unlike other products for joint health, Swanson Eggshell Membrane delivers all the primary nutrients joints need to stay healthy all from a single source. The egg, after all, is simply incredible. Eggshell Membrane is produced from eggshells that come directly from USDA-inspected facilities. In fact, every eggshell is traceable all the way back to the farm from which it was raised. Plus, Eggshell Membrane is produced through a solvent-free process that produces no waste products and yields a pure ingredient that contains no artificial additives, no preservatives and no pesticides or chemicals of any kind. If you are looking for joint health support, it's time you put Eggshell Membrane to work for you.