The original 81mg preventative therapy, ASPIRIN® 81mg is an Enteric Coated special formulation of acetylsalicylic acid (ASA) for doctor supervised daily preventative therapy. While ASPIRIN® earned its reputation as an excellent analgesic, ASPIRIN® 81mg is a dedicated daily preventative therapy tool. Unlike other analgesics, such as acetaminophen or ibuprofen, ASPIRIN® 81mg is specially formulated for doctor supervised preventative therapy.Talk to your doctor and ask if ASPIRIN® 81mg is right for you.ASPIRIN® 81mg is the #1 doctor-recommended brand of low dose ASA for doctor supervised daily preventative therapy in Canada.