Nitroglycerin (drug) is a substance.
 Invented in 1847 by Ascanio Sobrero, nitroglycerin has been used ever since as an active ingredient in the manufacture of explosives, namely dynamite, and as such it is employed in the construction, demolition, and mining industries
 Nitroglycerin corrects the imbalance between the flow of oxygen and blood to the heart and the hearts energy demand

