'Mil-Par' Milk Of Magnesia This is a professional sample of 'Mil-Par' Milk of Magnesia. The clear glass bottle has a bright-blue paper label, a blue metal screw lid and white powder inside. The label details the contents of the medicine, instructions on use, and pharmaceutical company. The medicine is 'Mil-Par'' with milk of magnesia and medical paraffin and was used as an antacid, relief of acid-ingestion, and a mild laxative. 1925-1975