What is L Tyrosine?L Tyrosine is a non-essential amino acid, which plays an important role in the production of the neurotransmitters dopamine and norepinephrine. Tyrosine is also a precursor to thyroxine and triiodothyronine and the pigment melanin.Benefits of L TyrosineL Tyrosine is a naturally occurring amino acid that can be found in small quantities in a variety of foods. For maximum benefits however, it is necessary to supplement the diet with additional sources of L Tyrosine in order to enjoy its full effects. L Theanine powder contains 100% L Tyrosine.Who is L Tyrosine suitable for?For anyone engaged in a long term physical training plan, getting the right dietary balance is absolutely essential. The body requires the right kind of nutrients in order to perform and develop correctly, and whether these come from food or from supplements, they are needed for many purposes. As a dietary supplement we recommend consuming 0.5 - 1g, 1 to 2 times daily.Please note that the labelling on this product is provided in English as a minimum. French, Italian, German, Spanish, Danish, Swedish and Finnish may also be present on a product by product basis.