NUTRIWORKS L-Tyrosine 200gInstant powder containing 100% amino acid L Tyrosine a non essential amino acid whose properties are related to the synthesis of neurotransmitters, noradrenaline and dopamine. It is therefore very important for the area of resistance to stress (especially in diet), exercise, concentration, alertness and memory. It can therefore be recommended to all athletes with excessive mental and physical strain. The product is suitable for all individuals focused