GNC Mega Men's Sport TR Multivitamin is a clinically studied multivitamin designed to support performance, muscle function, and provide antioxidants. It contains over 30 clinically studied ingredients in a smaller, easier-to-swallow pill format. This multivitamin is formulated to support men's health, including colon and prostate health, and features beta-alanine for muscle pH buffering and carnitine for energy utilization. It also includes branched chain amino acids and essential electrolytes to support muscle function and antioxidants to combat free radicals produced during workouts.