BPI Sports Co-Founder James Grage explains weight loss supplement B4™. It’s unlike any Pre-Workout or Diet Pill you’ve taken before! This is the most exclusive high-end dual sports performance and weight loss supplement available. Every component of this fat burner formula was carefully developed utilizing demanding standards, and effectively combines carefully researched cutting-edge, non-commercialized ingredients.*† The once-daily fat burner promotes increased focus, energy and weight loss as well as enhances motor control and motivation to train harder and longer.