Abstract: Stable liquid pharmaceutical formulations comprising human parathyroid hormone are provided herein. In various embodiments, the stable liquid pharmaceutical formulations comprise human parathyroid hormone (huPTH); a buffering agent to maintain the pH range of the solution from 3 to 6; one or more stabilizing agents selected from the group consisting of sugars, salts, surfactants, proteins, chaotropic agents, lipids, and amino acids; a tonicity modifier; water; and optionally a parenterally acceptable preservative; and wherein said solution is sterile and ready for parenteral administration to a human patient.