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L-Tyrosine: verification pending
We’re confirming the science for this compound before we publish a form ranking. Our team reviews every ranked page against peer-reviewed absorption data — this one is still under review, so we are not showing a score yet.
Check back soon. Rankings are reviewed by Dr. Brennan Commerford, D.C.
References
- Plasma tyrosine measured at multiple timepoints post-dose; dose-dependent plasma rise documented across three dose levels in healthy adults PubMed
- A 2015 systematic evidence review of randomized controlled trials found consistent, though modest, support for tyrosine supplementation helping to counter stress-related declines in cognitive performance, while noting insufficient evidence for physical performance effects. PubMed
- A 1999 randomized controlled trial in healthy adults under sustained physical and psychological stress found that tyrosine supplementation was associated with better performance on memory and tracking tasks compared with a calorie-matched control drink. PubMed
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.