The present investigation was aimed to formulate and evaluate buoyant tablet of Tolperisone HCl were prepared by direct compression method based on natural polymers (e.g. Xanthan Gum and Guar Gum) as matrix forming material and different concentrtion of sodium bicarbonate as gas generating agent. Tolperisone HCl is a skeletal muscle relaxant. Drug is more stable in acidic medium (pH Это и многое другое вы найдете в книге Formulation & In-Vitro Evaluation of Tolperisone HCl Buoyant Tablet