• More Potent than Regular BCAA'S • MAX Absorption and Utilization • Inhibit Muscle Breakdown BCAA FX3 ™ is an amazing advance in scientific supplement technology, that is much more effective than traditional (Branched Chain Amino Acids) supplements. The ethyl ester technology we use allows the BCAAs to be way more bioavailable. They are not broken down by the body as quickly as normal amino acids and they can enter the blood stream from the GI tract in tact.