L-Tyrosine is a non-essential amino acid that is used in protein synthesis and for the biosynthesis of dopamine and norepinephrine and may interact with tyrosine kinase receptors. It has the chemical structure C9H11NO3 and has a molar mass of 181.191 g/mol.
L-Tyrosine Benefits and Uses
L-Tyrosine supplements are beneficial for improving tyrosine levels as an amino acid supplement. Anecdotally, it may offer benefits similar to other amino acid supplements and brain-boosters – for example, effects on mental performance and working memory.
L-Tyrosine is known by a variety of additional names, including:
- Tyr
- 2-Acetylamino-3-(4-Hydroxyphenyl)-Propanoic Acid
- L-Tyrosine
- Tirosina
- 2-amino-3-(4-hydroxyphenyl)propionic acid
Scientific Consensus
L-Tyrosine is a non-essential amino acid and is considered safe for use by most people, when taken at the recommended serving size. Some side effects may include nausea, upset stomach, and headaches, at large servings.
L-Tyrosine supplements may affect thyroid hormone levels for people with an overactive thyroid.
Warning: There is not enough research about the safety of L-Tyrosine for pregnant and breastfeeding women. Do not use this supplement if you have any underlying medical conditions.
