PTH 1-34 is the N-terminal 34-amino-acid bioactive fragment of parathyroid hormone that activates PTH1 receptors to regulate calcium and phosphate balance and to drive bone remodeling, making it a reference in skeletal-biology research. Its anabolic bone actions are widely investigated in osteoporosis models. This product is a white lyophilized powder at >=99% HPLC purity in a sealed vial. Complete documentation and flexible supply are provided. As a China-based manufacturer and exporter, we offer direct pricing without middlemen, making us a cost-effective source for research chemicals and peptides. Long-term cooperation is welcome, and framework agreements with fixed pricing can be established for ongoing procurement needs.