It is one of the 20 protein amino acids. It supports the body during periods of increased mental and physical effort, e.g. during rehabilitation and in states of fatigue. This is done by maintaining optimal levels of neurotransmitters, Tyrosine restores specific cognitive resources used to increase working memory. Tyrosine deficiency may contribute to a depressed mood. L-tyrosine is one of the endogenous amino acids that stimulate the work of muscles.
