L-tyrosine is an important amino acid for over all metabolism. Inside the body it produces Epinephrine, Nor Epinephrine and Dopamine. These are the chemicals produced inside human body and benefits in the regulation of mood and stimulate the process of metabolism and nervous system. Due to this property, tyrosine has its beneficial effects in mood elevator. It shows its beneficial effects in supporting/protecting the skin by increasing its pigmentation. Sadness and depression is caused by the deficiency of Nor Epinephrine in the brain, which is a result of a lack of adequate amount of tyrosine. L-Tyrosine shows its beneficial effects in improving the functions of brain by enhancing the production of brain messengers. Tyrosine also used as a constituent of amino sugars (glycosaminoglycans) that show their favorable effects in maintaining the body activity.