* HPLC Tested for Potency and Purity * Support Protein Synthesis * Support Lean Mass Gains * Reduce Muscle Breakdown * Enhance Recovery * Dietary Supplement Primaforce L-Leucine contains high quality L-Leucine, lab tested for potency and purity. L-Leucine, one of the three Branched Chain Amino Acids, is known as the "anabolic-trigger" due to its ability to support protein synthesis, lean mass gains, reduce muscle breakdown, and enhance recovery. Supplementing with L-Leucine during exercise helps fuel muscles with energy and supports performance.