The Underground Railroad was neither underground nor a railroad. It got its name because its activities had to be carried out in secret, using darkness or disguise, and because railway terms were used by those involved with system to describe how it worked.
Hydrolyzed collagen is collagen that is derived from bovine bone and cartilage. Usually, the bone is crushed, ground, defatted, soaked in acid to remove the calcium, soaked again to break the collagen bonds and then dehydrated.
Our bodies are made up of 30% collagen of which 70% of these proteins are connective tissue made of collagen. Hydrolyzed Collagen is the missing link in supplying amino acids like glycine, proline and lysine that are required by the body to build connective tissue to regulate cell growth.