The present invention provides a method for accelerating bone growth in a subject having a bone condition, selected from the group consisting of a fracture by external force, pathological fracture, fatigue fracture, distraction osteogenesis, osteotomy, osseointegration and combinations thereof, the method employing the administration of a composition containing stable amorphous calcium carbonate, comprising at least one stabilizer. Further provided are the orally-administrable pharmaceutical compositions for use in accelerating bone growth in said bone conditions.