L-Tyrosine is often tossed into pre-workouts and nootropic stacks in small doses—just enough to sprinkle it on the label. But if you're serious about performance—mental or physical—a gram won't cut it.
We're going to break down why 7 grams of L-Tyrosine can unlock another level of cognitive resilience and focus, especially under stress. With some studies pushing up to 10–11 grams per day, the science supports what high performers already feel: bigger doses = bigger effects.
What is L-Tyrosine?
L-Tyrosine is a non-essential amino acid and precursor to dopamine, norepinephrine, and epinephrine—your body’s "go" chemicals. These neurotransmitters regulate focus, alertness, mood, and the stress response.
When you're under pressure—whether from high-intensity workouts, sleep deprivation, or just life stress—your brain starts burning through these chemicals. That’s where Tyrosine steps in.
The Problem with Underdosing
Most pre-workouts and energy blends give you 500mg to 1g of Tyrosine. While that might be enough for label dressing, it falls short of the clinically effective range used in real-world trials.
Effective Tyrosine doses in research consistently range from 2g to 11g, with stronger cognitive effects seen as doses increase.
The Benefits of High-Dose Tyrosine (7g+)
🧠 1. Enhanced Cognitive Performance Under Stress
A 1995 study published in Brain Research Bulletin found that 2g of Tyrosine helped subjects maintain cognitive performance during cold exposure and stress (Banderet & Lieberman, 1989).
But that was just the beginning.
In a double-blind, placebo-controlled study by Thomas et al. (1999), participants who took 150mg/kg of Tyrosine (that’s around 10–11g for a 150lb person) showed significant improvements in working memory and task performance during sleep deprivation and multitasking.
🧬 2. Neurotransmitter Replenishment Under Fatigue
Hard training and stress deplete dopamine and norepinephrine. Tyrosine helps restore them, particularly when you're under pressure. That’s why fighter pilots, soldiers, and athletes all benefit from higher doses.
A U.S. Army study showed that Tyrosine helped maintain mental performance during combat training and sleep deprivation. (Deijen et al., 1999)
🏃 3. Better Mood, Motivation, and Energy
When neurotransmitter levels drop, you don’t just lose focus—you lose motivation.
At 7 grams, Tyrosine provides the precursor material your brain needs to bounce back faster—supporting mood, drive, and clean energy without a crash.
Why 7g is the Sweet Spot
– You might feel a little extra focus, but it won’t hold up under high stress.
– Good for light training or work tasks.
– Effective for stress-heavy situations: intense workouts, lack of sleep, or high-demand environments.
– Used in military and sleep deprivation studies for elite-level focus.
Does Tyrosine Have Side Effects at High Doses?
L-Tyrosine is generally well-tolerated, even at high doses. Studies using 10–11 grams/day reported minimal side effects in healthy adults.
Common sense still applies:
- Avoid combining with MAO inhibitors or dopaminergic medications.
- Don’t exceed 10–11g per day unless under supervision
When to Use a High Dose
- Before intense training sessions
(especially in hot/cold or fasted states) - During sleep deprivation
- On long workdays or mentally taxing projects
- In your pre-workout formula
for a focus-heavy, stim-free edge
The Takeaway
Most brands low-dose Tyrosine just to check a box. But the real cognitive and performance benefits only show up at clinically effective doses—like 7g or more.
Whether you're pushing through a brutal workout or locked in a deep work session, a high-dose Tyrosine formula can help you stay dialed in when others would crash.
UXO Supplements Delivers the Dose That Matters
We don’t play the underdose game. Our premium pre-workout formula PROJECT M777 features 7g of pure L-Tyrosine—backed by research and built for real-world performance.
Featured product





A pre-workout designed for performance. This formula delivers a robust serving size, packed with ingredients to support pump, focus, endurance, strength, and sustained energy.
Pickup available at 11880 W. President Dr. Suite D
Usually ready in 24 hours

Project M777
Galaxy Candy
11880 W. President Dr. Suite D
11880 W President Dr
Suite D
Boise ID 83713
United States

The essentials
Share details of your store's product selection, or share a story that speaks to your customers.
Read more


How to Maintain Muscle While Cutting: The Athlete’s Guide to Staying Shredded, Not Skinny Summer’s here, and cutting season is in full swing. But if your goal is to get lean without losing tho...