L-tyrosine is a we found in the human body of one of the twelve non-essential amino acid, because it is not necessary for our human body, therefore, we don’t need to get from the food L-tyrosine, and have the body of the essential amino acids can be obtained, phenylalanine phenylalanine is a widely exists in all kinds of food of amino acids, in fact, L-tyrosine is also found in some foods, such as cheese, and other protein sources.
L-tyrosine as an amino acid to make proteins, it has many USES for our human body, L-tyrosine can increase, the plasma levels of dopamine, norepinephrine, can reduce the levels of stress hormones, cortisol, in particular, can also promote the production of thyroxine (T4), or even alleviate fatigue, improve personal emotional aspects also has a positive role.
There are generally no side effects when using L-tyrosine, but it is inevitable that some people may experience gastrointestinal distress or headaches after using l-tyrosine. In such cases, stop using l-tyrosine immediately and seek the help and advice of a regular doctor.