Angist SR 2.6 mg is a sustained-release tablet manufactured by Acme Laboratories Ltd., containing Nitroglycerin (also known as Glyceryl Trinitrate) as its active ingredient. This medication is primarily used for the prophylaxis and treatment of angina pectoris, a condition characterized by chest pain due to reduced blood flow to the heart muscle. It is also utilized in the chronic management of coronary artery disease and left ventricular failure .