Country's largest drug maker, Ranbaxy, on Thursday announced the launch of 'BONISTA- Teriparatide' injection used in the treatment of Osteoporosis disease in collaboration with Hyderabad-based Virchow Biotech. BONISTA- Teriparatide injection is manufactured by recombinant human parathyroid hormone and Ranbaxy has become first company in the world to launch this bio-generic product, the company said in a filing to the BSE.