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L-Tyrosine Side Effects

Generic Name: tyrosine

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

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.

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