Tyrosine

The overall rating for tyrosine is 1.3 out of 3 meaning there is little if any evidence that this supplement does what it claims to do. Using this supplement will not lead to positive results.

1. Articles
2. Simple Report
3. Detailed Report
4. Overall Effectiveness Rating
5. Research Rating
6. Products Containing Tyrosine
7. Claim Ratings
8. References

• Supplement: Tyrosine
• Supplement Category: conditionally essential amino acids
• Number of Products Containing Tyrosine: 1448
• Effectiveness Rating: 1.3 out of 3
• Research Rating: 44 (above 80 indicates sufficient research)
• Number of Studies: 7
• Number of Claims: 5

Overall Effectiveness Rating

The overall effectiveness rating for tyrosine is 1.3 out of 3. This rating means there is little to no evidence to back the supplement's use. Using this supplement will not lead to positive results. Note, this effectiveness rating is for tyrosine as a whole; there are also individual ratings for the claims below.

Read more: What is the effectiveness rating?

Research Rating for Tyrosine

There are 7 studies in the database on tyrosine; the research rating is 44. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this research rating is for tyrosine as a whole; there are also individual ratings for the claims below.

Read more: What is the research rating?

Products Containing Tyrosine

Products Names	Amount of Tyrosine
Thermo-X	600mg
Renew	1g
Womens Pre Workout	250mg
Vigor Next Level	1g
Cyber Skills	1g
Full list of all 1448 products containing Tyrosine.

Claim Ratings

The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.

Performance Claims	Effectiveness Rating	Research Rating
improve cardiovascular endurance
improve cycling performance
improve sports performance
increase strength

Mental Health Claims	Effectiveness Rating	Research Rating
improve cognitive ability

References

Title of Study
Effect of tyrosine ingestion on cognitive and physical performance utilising an intermittent soccer performance test (iSPT) in a warm environment
Effects of L-tyrosine and carbohydrate ingestion on endurance exercise performance
Failure of Oral Tyrosine Supplementation to Improve Exercise Performance in the Heat
Ingestion of Tyrosine: Effects on Endurance, Muscle Strength, and Anaerobic Performance
Oral tyrosine supplementation improves exercise capacity in the heat
Tyrosine Ingestion and Its Effects on Cognitive and Physical Performance in the Heat
Tyrosine Supplementation Does Not Influence the Capacity to Perform Prolonged Exercise in a Warm Environment