Amino acids are the building blocks for body. They all have an important role to play. Depending on the type of amino, is how it will impart it’s action on our body. Some are essential – meaning we can not make them from our own supply. Others are NON essential meaning the can be derived from other amino acids. For example L-carnitine is important for helping in the fat burning process, but is an amino acid we can synthases from within our body. However maybe not at the amount required to impart significant effect on fat burning.