Hydrolyzed collage is collagen that has been enzymatically to make it more digestible and more easily absorbed by the body. used by body builders because it is a relatively inexpensive protein source, although it is not the best source of protein. Collagen is the primary structural protein found in the connective tissues in the body (including the skin, bones, cartilage, tendons, and ligaments

Shark cartilage is a popular dietary supplement used to combat and/or prevent a variety of illnesses, most notably cancer. It prevents angiogenesis, the growth of new blood vessels from pre-existing vessels. So if u have strong family history of cancer, u may try shark cartilage as prophylaxis There is none. Sharks have to die for this product to be put on the market. It's really sad.