L-Tyrosine

L-Tyrosine is a non-essential amino acid that plays a crucial role in the production of several important substances in the human body. It is synthesized in the body from phenylalanine, another amino acid, and can also be obtained directly from dietary sources.

Overview

L-Tyrosine is involved in the synthesis of dopamine, norepinephrine, and epinephrine, three neurotransmitters that regulate mood, cognition, and physical response to stress. It also contributes to the production of melanin, the pigment responsible for skin and hair color, and the function of organs responsible for making and regulating hormones, including the adrenal, thyroid, and pituitary glands.

Dietary Sources and Supplements

L-Tyrosine can be found in a variety of foods, particularly protein-rich foods such as chicken, turkey, fish, dairy products, and avocados. It is also available as a dietary supplement, often marketed for its purported benefits for mental performance and stress response.

Health Benefits and Risks

While L-Tyrosine is generally considered safe for most people when consumed in amounts found in foods, excessive intake from supplements may cause side effects such as nausea, headache, fatigue, heartburn, and joint pain.

Research suggests that L-Tyrosine may have potential benefits for improving cognitive function, particularly in stressful situations. However, more research is needed to confirm these effects and to understand the potential risks and benefits of L-Tyrosine supplementation.

See Also

• Amino Acids
• Neurotransmitters
• Dietary Supplements