Best BCAA w/Energy combines the same Oligopeptide-Enzymatic Technology branched chain amino acids found in the popular BEST BCAA. Peptide-linked BCAAs provide a much more efficient and faster absorption rate than your ordinary free form aminos. They ensure that you are reaping the benefits of each scoop Best BCAA w/Energy is enhanced with a blend of ingredients to help promote more energy, focus and endurance. Citrulline helps provide more oxygen to both your muscles and brain, allowing for not only muscle pumps, but added awareness and focus. The Best Energy Blend contains key ingredients like Caffeine Anhydrous and Alpha GPC to boost energy and improve mental cognition. The amount of caffeine in here is equivalent to one cup of coffee, so its great to take in the middle of the day for a quick refresh or can be used as a pre-workout for those that aren't looking for heavy stimulated products.