The Praise be to God, Lord of the Worlds, and prayers and peace be upon the Master of the Messengers and his pure and pure family, and may the peace and blessings be abundantly
Atorvastatin calcium (ATR) is an antihyperlipidemic agent used for lowering blood cholesterol levels. However, it is very slightly soluble in water with poor oral bioavailability, which interferes with its therapeutic action. It is classified as a class II drug according to Biopharmaceutical Classification System (low solubility and high permeability).