The invention provides a compositions comprising mussel hydrolysate from Indian
green mussel, e.g., Perna viridis. The invention further provides methods
of inhibiting or preventing osteoclast formation and/or bone resorption comprising
administration of mussel hydrolysate from Indian Green to an animal or human. The
compositions of the invention are non-toxic to other cells. Additionally, the invention
provides processes for extracting mussel hydrolysate from Indian green mussel,
e.g., Perna viridis.