TNT Nuclear Extreme is the world's strongest pre workout formula, designed to improve workout performance and metabolise fat. TNT Nuclear Extreme is only recommended for serious trainers who have used pre workout formulas before. TNT Nucelar Extreme works by combining: Arginine to increase blood flow to muscles. Beta Alanine to increase strength. Citrulline Malate to delay muscle fatigue. Acetyl-L-Carnitine to help metabolise fat. Caffeine to increase energy. Octodrine to enchance focus.