L-Threonine from Espadiet is made up of one of the 20 amino acids that make up proteins, it is an essential amino acid, this means that it is not produced by the body, it must be obtained through diet or supplementation. L-Threonine is a very beneficial amino acid that inhibits the accumulation of fat in the liver (lipotropic) combined with Aspartic acid and Methionine. It is a powerful precursor of glycine and serine, Threonine is involved in the production of neurotransmitters, these are the key to the transmission of information by our brain and those in charge of our mood and happiness.