GNC Pro Performance L-Carnitine Tablets deliver 500 mg of pure L-carnitine per serving, a naturally occurring amino acid that supports cellular energy production and fat metabolism. Designed for active individuals, these tablets help transport fatty acids to mitochondria, where they're converted into ATP for sustained energy during workouts and daily activities. Each tablet is formulated with GNC's quality standards, making it an ideal supplement for fitness enthusiasts seeking to optimize their performance and body composition. Ideal for pre-workout or daily supplementation as part of a comprehensive fitness regimen.