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L-Tyrosine is an amino acid, which is a building block of protein that occurs naturally in the body. It can also be found in certain foods such as meat, fish, eggs, dairy products, beans, nuts, oats, and wheat.

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L-Tyrosine present in all tissues of the human body and in most of its fluids. It helps the body produce enzymes, thyroid hormones, and the skin pigment melanin. It also helps the body produce neurotransmitters that helps nerve cells communicate. Tyrosine is particularly important in the production of epinephrine, norepinephrine, and dopamine.


1.Treatment of phenylketonuria (PKU)

2.Mental alertness

3.Coping with sleep deprivation

4.Anti-depressant action

Some Application

L-Tyrosine is be used as nutritional supplement in food, the source of L-Tyrosine is in seaweed, soy proteins, meat, eggs and dairy products.


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Xi’an SR Bio-Engineering Co., Ltd

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