In medicine, where it is generally called glyceryl trinitrate, nitroglycerin is used as a heart medication.
From the en.wikipedia.org
The fatal effects of snake venom were delayed by about half-an-hour when the scientists injected rats in their hind feet with venom and then applied the glyceryl trinitrate ointment.
From the nature.com
Triethanolamine, stearic acid, glyceryl stearate, magnesium aluminum silicate and PEG-75 lanolin oil are emulsifiers that enable the other ingredients to mix and form a smooth lotion.