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L-tyrosine

Generic Name: tyrosine (TYE roe seen)
Brand Name: L-Tyrosine
Physician reviewed L-Tyrosine patient information - includes L-Tyrosine description, dosage and directions.
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Drug Information:
L-Tyrosine is an amino acid, which is a building block of protein that occurs naturally in the body. L-Tyrosine can also be found in certain foods such as meat, fish, eggs, dairy products, beans, nuts, oats, and wheat. Some people have low levels of L-Tyrosine in their bodies because of a hereditary condition called phenylketonuria (PKU). In people with PKU, the body cannot process an amino acid called phenylalanine, which the body needs to produce L-Tyrosine. L-Tyrosine is given as a supplement to increase L-Tyrosine levels in people with PKU. Learn more

L-tyrosine Side Effects

L-Tyrosine Side Effects

Note: This document contains side effect information about tyrosine. Some of the dosage forms listed on this page may not apply to the brand name L-Tyrosine.

Applies to tyrosine: oral capsule, oral powder

Warning

Follow all directions on the product label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Although not all side effects are known, tyrosine (the active ingredient contained in L-Tyrosine) is thought to be likely safe in most adults when taken for up to 3 months.

Common side effects may include:

  • nausea, heartburn;

  • headache;

  • joint pain; or

  • feeling tired.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

More about L-Tyrosine (tyrosine)

  • En Español
  • 1 Review
  • Drug class: oral nutritional supplements

Consumer resources

  • L-Tyrosine

Related treatment guides

  • Dietary Supplementation

Editorial References and Review

Medically reviewed by USARx EDITORIAL TEAM Last updated on 1/1/2020.

Source: Drugs.com L-tyrosine (www.drugs.com/mtm/l-tyrosine.html).