What is L-Tyrosine?

L-Tyrosine is a naturally occurring amino acid that plays a critical role in the production of several neurotransmitters in the body, including dopamine, epinephrine, and norepinephrine. These neurotransmitters are essential for cognitive function, memory, and mood regulation.

L-Tyrosine is also a precursor to several important hormones, including thyroid hormones and melanin, which provides pigmentation to the skin, eyes, and hair.

Where does L-Tyrosine come from?

L-Tyrosine is a non-essential amino acid, which means the body can produce it on its own from another amino acid called phenylalanine. However, L-Tyrosine can also be obtained from dietary sources, such as meat, fish, eggs, dairy, and some plant-based foods.

What are the effects of L-Tyrosine?

L-Tyrosine is known for its cognitive-enhancing effects, such as improving focus, attention, and memory. It is also believed to help regulate mood and reduce symptoms of stress, anxiety, and depression.


L-Tyrosine helps improve cognitive function by increasing the production of dopamine and norepinephrine, two neurotransmitters that play a critical role in attention, focus, and memory. It is particularly useful in situations that require high levels of mental performance, such as studying, working, or taking exams.


L-Tyrosine has been shown to improve physical performance, particularly during times of stress or fatigue. It is believed to reduce fatigue and improve endurance by reducing the levels of certain stress hormones in the body.

How to use L-Tyrosine?

L-Tyrosine is available in supplement form and can be taken orally as a pill or powder. It is typically recommended to take L-Tyrosine on an empty stomach to maximize absorption.

How much L-Tyrosine to use?

The recommended dosage of L-Tyrosine is between 500mg and 2000mg per day, depending on the individual's needs and the reason for taking it. It is important to start with a lower dose and gradually increase it over time to avoid any potential side effects.

When trying out new supplements it is wise to start with a lower dose and–depending on the experienced effects–increase or decrease the dosage accordingly

What are the side effects of L-Tyrosine?

L-Tyrosine is generally safe when taken at recommended dosages. However, some individuals may experience mild side effects such as nausea, headache, and gastrointestinal discomfort. It is also important to note that L-Tyrosine can interact with certain medications, so it is recommended to consult with a healthcare provider before taking it.

Interactions of L-Tyrosine

L-Tyrosine can interact with certain medications, including MAO inhibitors, levodopa, and thyroid hormone medication. It is important to consult with a healthcare provider before taking L-Tyrosine if you are taking any medications or have any pre-existing medical conditions.

Overall, L-Tyrosine is a safe and effective supplement that can provide cognitive and physical benefits, particularly in times of stress or fatigue

Other namesTyrosine
EffectsFocus, Memory