May improve focus and mental performance under stress.
No. It provides focus without the stimulation. Think clear and calm, not buzzed and jittery.
Probably not. It works best when you're actually stressed or sleep-deprived. Save it for when you need it.
Yes. Many people like the combination. Tyrosine provides the focus, caffeine provides the energy. They work well together.
Click through to the studies bar for the evidence base.
See the dosing guide below.
Compare formats before buying.
Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
Stick with regular L-Tyrosine. NALT sounds fancier but is less bioavailable, meaning your body uses less of it. Save your money.
About 30-60 minutes before a stressful event, like an exam, public speaking, or a demanding workout.
Not directly for chronic anxiety. It helps you manage the mental effects of acute stress, which can feel calming. For general anxiety, look at L-Theanine or Magnesium.
No. It's a brain supplement, not a muscle-builder. It might help you focus during a tough workout, but that's about it.
Most research uses 2.0g daily. Below 0.5g, you're probably wasting money. Above 5.0g, no extra benefit. The curve plateaus. Safe upper limit ~ 12.0g.
Precursor to dopamine, norepinephrine, and epinephrine synthesis.
Tyrosine is a conditionally essential amino acid with a clear role in neurotransmitter synthesis. Research suggests it can be helpful for cognitive function under specific stressors, though its effects in unstressed individuals are less pronounced. More research is needed to fully understand its potential.
Tyrosine is a non-essential amino acid found in high-protein foods like cheese, turkey, eggs, and soy.
Tyrosine (Performance) interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.