The present invention is a new method and composition that enhance bone repair, formation, maintenance and slowing of bone resorption. The present invention relates to methods and compositions that enhance collagen formation, tendon health and tendon injury healing, bone maintenance and bone injury healing, and the prevention and treatment of metabolic diseases. The present invention is a part of the therapy to maintain bone health among patients with diabetic bone resorption and others with metabolic disorders. In one embodiment, the composition is a composite of hydroxyapatite and an organic matrix composed of milk pH-dependent serum proteins, i.e., bone morphogenic proteins (BMP), milk serum-derived specific proteins (MSSP), and milk serum derived proteins.