Method of administration of the composition is provided as well as the oral delivery of a pharmaceutical composition for valid parathyroid hormone PTH. In addition, prevention / or methods are also provided and treatment of osteoporosis and a method of promoting new bone formation.副甲状腺ホルモンPTHの有効な経口送達用医薬組成物ならびに該組成物の投与方法が提供される。さらに、新骨形成の促進方法および骨粗しょう症の処置および/または予防方法も提供される。