ABSTRACT AN ORAL BIOACTIVE GLASS FORMULATION CONTAINING AQUEOUS MICRONIZED BARIUM OXIDE FOR TREATING GASTRO-DUODENAL ULCERS� The present invention provides a bioactive composition, a method of preparing the bioactive glass (BaBG) and method of formulation of aqueous suspension of bioactive composition in micronized bioactive glass. The present invention provides a bioactive composition comprising a) 44.9% mol of silicon dioxide b) 26.9% mol of calcium oxide c) 24.3% mol of disodium oxide d) 2.6% mol of diphosphorus pentoxide and e) 1.3% mol of barium oxide.