We are offering here the Ambrisun Tablets that lowers blood pressure in your lungs, helping your heart pump blood more efficiently. It is used to treat pulmonary arterial hypertension (PAH) in adults. It improves your ability to exercise and prevents your condition from getting worse. This condition is thought to be caused by increased levels of a certain natural substance (endothelin-1). The Ambrisun Tablets blocks the effects of endothelin-1, thereby helping to decrease the blood pressure in the lungs.