Naproxen is a non steroidal anti inflammatory and antipyretic drug which has local irritation effect on the stomach. and unpleasant taste. besides bad flowability and light sensitivity . The drug was prepared as microcapsules by complex coacervation method using acacia-gelatin coating materials . https://www.countryscenesaddleryandpetsuppliers.shop/product-category/medium-argentina-cow-leather/