Watch as BPI Sports Co-Founder James Grage explains the many advantages of supplementing with a BCAA formula including protein synthesis, muscle growth, preserving lean muscle and recovery. The question is whether you should take them before, during or after your workouts. In this short video, BPI Sports Co-Founder, James Grage, shares when and why he supplements with Branched Chain Amino Acids (BCAAs) as part of his muscle building strategy.