Use of 2,3-diaryl-1-benzopyran derivatives for the manufacture of a medicament in the treatment and prevention of bone loss and osteoporosis

Methods and pharmaceutical compositions for reducing bone loss are disclosed. 2,3-diaryl-1-benzopyrans and their pharmaceutically acceptable salts are formulated into medicaments for the treatment of bone loss due to osteoporosis or other conditions. Formulations include tablets and other forms suitable for oral administration and controlled-release subdermal implants.