Galactosyldroxylysine drochloride is a component of bone collagen produced by post-translational glycosylation of droxylysine. Galactosyldroxylysine drochloride is released during bone resorption and has been shown to be elevated in metabolic bone loss[1].
[1]. Leigh SD, et al. Development of an immunoassay for urinary galactosyldroxylysine. J Immunol Methods. 1998;220(1-2):169-178.
















