Capsules - 60 Serves. Optimise your body for rapid muscle recovery with the new BCAA Capsule by Emrald Labs. The three amino acids that make up the best BCAA Capsule are L-Leucine, L-Isoleucine and L-Valine, and these amino acids are the building blocks of protein in their simplest form. Because of their simple form, Emrald Labs strong concentration of BCAA’s have the ability to digest into your blood stream almost instantly and start working to repair and build muscles.