Ibuprofen Is Classified As A Bcs Class Ii Biopharmaceutical. This Means That Researchers Use Solid Dispersion To Improve Its Solubility And Dissolution Rate, As It Has Poor Oral Solubility And Bioavailability. This Study Used A Combination Of Chitosan And Sodium Alginate To Form Solid Dispersion With Co-Grinding Technique, Which Is Easy To Do And Environmentally Friendly. In The Preparation Of …