Tyrosine: Benefits, Side Effects and Dosage. Tyrosine is a popular dietary supplement used to improve alertness, attention and focus. It produces important brain chemicals that help nerve cells communicate and may even regulate mood What is L Tyrosine good for? The body makes tyrosine from another amino acid called phenylalanine. Tyrosine can also be found in dairy products, meats, fish, eggs, nuts, beans, oats, and wheat. Tyrosine is most commonly used in protein supplements to treat an inherited disorder called phenylketonuria (PKU). Does organic L tyrosine help with anxiety? L-tyrosine is also great for boosting mood. L-tyrosine is common in food, but to get its brain-boosting, stress-relieving benefits, you want purified tyrosine in supplement form. Is L Tyrosine a stimulant? Tyrosine depletion attenuates the behavioural stimulant effects of amphetamine and cocaine in rats. … Neurochemical studies show that a tyrosine-free amino acid mixture depletes brain tyrosine and decreases dopamine synthesis and release. Does L Tyrosine make you sleepy? As a supplement, tyrosine food may help people who are tired because of lack of sleep, some research suggests. It seems to make them more alert. Some children and adults take tyrosine for ADHD. But studies have not shown that it helps What does L Tyrosine do for the brain? Tyrosine is an amino acid that is naturally produced in the body from another amino acid called phenylalanine. … Tyrosine helps make several important substances, including Dopamine: Dopamine regulates your reward and pleasure centers. This important brain chemical is also important for memory and motor skills. 1000mg n-acetyl-l-tyrosine tablets are pure organic supplements.