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Tyrosine

Supplement Forms/Alternate Names :

L-Tyrosine

Introduction

Tyrosine is an amino acid that the body needs for brain function. It is found in dairy, meat, and beans. Tyrosine has been used to improve mental function and athletic performance. It can be taken as a pill or powder.

Dosages

7 to 30 grams daily

What Research Shows

Not Enough Data to Assess

  • Phenylketonuria 1

Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.

Safety Notes

It is likely safe to take tyrosine in small doses for a short time. Not enough studies have been done to say whether it is safe to take for a long period. It is also not known whether it is safe to take by women who are pregnant or breastfeeding.

Interactions

Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse.

 

References

1. Webster D, Wildgoose J. Tyrosine supplementation for phenylketonuria. Cochrane Database Syst Rev. 2013;(6):CD001507.

Last reviewed July 2019 by EBSCO NAT Review Board Eric Hurwitz, DC  Last Updated: 3/27/2020