Those in need of nitroglycerin (GTN) therapy who have polymorphism in the mtALDH gene, e.g., those of Asian descent for whom this polymorphism is common, and/or who are being treated with or ingesting or exposed to mtALDH inhibitor are treated with GTN in combination with agent which converts GTN to product which is metabolized without mtALDH activity, e.g., N-acetylcysteine.
