Nitrostat Sublingual Tablets 0.4 mg Nitroglycerin Tablets, 25/bottle, 4 bottles per pack (Rx)Nitrostat Sublingual Tablets 0. 4 mg Nitroglycerin Tablets are prescription medication used to treat angina (chest pain) caused by coronary artery disease. They contain a fast acting form of nitroglycerin, a vasodilator that helps widen blood vessels and improve blood flow to the heart. These tablets are taken sublingually (placed under the tongue) and quickly dissolve, allowing the medication to be absorbed into the bloodstream and provide rapid