L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros

"L-Tyrosine is a precursor to crucial neurotransmitters like dopamine, adrenaline, and noradrenaline, essential for focus, motivation, and cognitive performance under stress. Clinical research highlights its ability to improve working memory, reaction time, and mental endurance in high-pressure situations."

Two Nutra Bros Resident Science Geek

L-Tyrosine

BRAIN HEALTH | FOCUS | MEMORY| STRESS & ANXIETY 

Boosts Mental Clarity Supporting Concentration

Stress & Fatigue management Regulates Stress-Related Hormones

Supports Mental Performance When Under Pressure

120 CAPSULES| TWO-a-day | 2 MONTH Supply

60-DAY GUARANTEE

 FREE DELIVERY

KEY BENEFITS:

 

Boosts Mental Clarity – Aids in neurotransmitter production, supporting concentration, focus, and memory.

 

Stress & Fatigue Management – Helps regulate stress-related hormones, improving cognitive performance in demanding situations.

 

Supports Mental Performance Under Pressure – Enhances mental endurance during physical and mental strain.

What Makes It So Special?
 

Clinically Optimised 500mg-1,000mg Dose – Studies support its effectiveness in boosting cognitive function and stress adaptation at this range.

 

Pure L-Tyrosine in a Clean HPMC Capsule – No unnecessary fillers or synthetic additives, just pure amino acid power.

 

Supports Neurotransmitter Balance – Essential for mental clarity, motivation, and peak cognitive performance.

 

Proven in High-Stress Situations – Research-backed to improve focus and alertness during sleep deprivation, intense work, and athletic performance.

 

PREMIUM INGREDIENTS:

L-Tyrosine, Capsule Shell: HPMC (Hydroxypropyl Methylcellulose). 

Ingredients One (1) capsule typically provides: L-Tyrosine 500mg 

L-Tyrosine is an amino acid. Amino acids are the building blocks of protein. The body makes tyrosine from another amino acid called phenylalanine. 

L-Tyrosine can also be found in dairy products, meats, fish, eggs, nuts, beans, oats and wheat.
 

USAGE GUIDELINES:

Suggested Serving
 

For optimal benefits, adults should take 1-2 capsules per day, preferably on an empty stomach or with a carbohydrate-only snack. Avoid taking within 3 hours of bedtime, as L-Tyrosine may promote alertness. Do not exceed the recommended daily dose.

 

Nutritional Information
 

Each capsule provides:

L-Tyrosine – 500mg

 

Ingredients: L-Tyrosine, Capsule Shell (Hydroxypropyl Methylcellulose).
 

Allergy Advice

 

While strict precautions are in place to prevent cross-contamination, this product is manufactured in a facility that handles allergy-related ingredients.
 

Cautions

Consult your healthcare provider before taking this supplement, especially if you are on medication or under medical supervision.

Not recommended for pregnant or breastfeeding women.

Supplements should not replace a balanced diet or healthy lifestyle.

Store in a cool, dry place, out of reach of children.
Suitable for vegetarians but NOT vegans.

 


L-Tyrosine: Cognitive Fuel for Peak Performance
 

L-Tyrosine is a precursor to key neurotransmitters that help regulate mood, focus & motivation. BRAIN BOOSTER

Stress Resilience– Used by  military to enhance cognition when under extreme stress ie: cold exposure, sleep deprivation.

Named After Cheese – The name "Tyrosine" comes from the Greek tyros, meaning "cheese," as discovered in casein.

Pre-Workout Powerhouse – Many athletes take L-Tyrosine to help with mental clarity, endurance, and reaction time.

L-Tyrosine NeuroVitality – The Mental Edge You Deserve

Focus. Energize. Perform.
 

L-Tyrosine is the key to staying sharp under pressure. As a critical precursor to dopamine and other neurotransmitters, it plays a vital role in mental performance, mood balance, and stress adaptation.


Our 100% pure L-Tyrosine formula delivers a scientifically supported 500–1000mg daily dose, helping you maintain clarity, resilience, and peak cognitive function—even in the most demanding situations.
 

Why Settle for Less 

Support your mind with the best and fuel your focus, energy, and mental endurance with Tyrosine NeuroVitality.
 

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Why Tyrosine NeuroVitality Stands Above the Rest.

"When pressure mounts and mental fatigue sets in, Tyrosine NeuroVitality™ helps you stay sharp and focused. Supports cognitive function, stress resilience, & peak mental performance, so you can think fast, stay clear, and perform at your best."

Two Nutra Bros Resident Lifestyle Guru

Extensively studied for its role in neurotransmitter production, cognitive enhancement, and stress adaptation, L-Tyrosine is a must-have for mental performance and resilience.

Enhances Cognitive Performance Under Stress

Research indicates that L-Tyrosine supplementation can prevent declines in cognitive function during acute stressors, such as cold exposure and sleep deprivation. These effects are attributed to its role in maintaining neurotransmitter levels under stress.

Improves Working Memory and Cognitive Flexibility

Studies have shown that L-Tyrosine enhances working memory and cognitive flexibility, particularly in demanding situations. This improvement is linked to its capacity to support dopamine synthesis, a neurotransmitter crucial for executive functions.

Supports Neurotransmitter Production

L-Tyrosine serves as a precursor for catecholamine neurotransmitters, including dopamine, norepinephrine, and epinephrine. Supplementation has been shown to elevate brain levels of these neurotransmitters, which are vital for mood regulation and cognitive performance.

Mitigates Cognitive Decline Due to Sleep Deprivation

Clinical trials have demonstrated that L-Tyrosine can alleviate cognitive impairments associated with sleep loss, enhancing alertness and mental performance during periods of extended wakefulness.

Enhances Mental Performance in High-Pressure Environments

Research involving military personnel indicates that L-Tyrosine supplementation improves cognitive performance in high-stress settings, such as exposure to extreme temperatures and high altitudes.

Potential Antidepressant Effects

Some studies suggest that L-Tyrosine may alleviate symptoms of depression by increasing the production of neurotransmitters associated with mood regulation. However, more research is needed to confirm its efficacy in this area.

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60 DAY MONEY BACK GUARANTEE

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QUALITY YOU CAN TRUST

Expertly Formulated Supplements

"Tyrosine NeuroVitality™ is formulated with clinically studied L-Tyrosine to support neurotransmitter production, cognitive resilience, and mental performance under stress, making it a powerful, natural way to stay sharp, focused, and ready for any challenge." - Big Bro & Science Geek

Science Behind Tyrosine NeuroVitality

Clinically Optimised 500–1000mg Daily Dose

Why? 

Studies show that 500mg to 2g of L-Tyrosine effectively enhances cognitive flexibility, working memory, and stress resilience, particularly in high-pressure or fatigue-inducing conditions. 

Our recommended 1-2 capsules per day (500–1000mg) aligns with this research, ensuring optimal benefits without unnecessary excess.


Scientific Evidence:

  • Neri et al. (1995): Found that 2g of L-Tyrosine improved cognitive performance and reduced mental fatigue in military personnel under extreme conditions.
  • Mahoney et al. (2007): Showed that 100–150mg/kg of body weight enhanced cognitive function in demanding environments like cold stress and sleep deprivation.

100% Pure L-Tyrosine – No Fillers, Just Performance

Why? 
Many supplements dilute their formulas with unnecessary additives, Tyrosine NeuroVitality™ is made with pure, pharmaceutical-grade L-Tyrosine in a clean HPMC capsule, ensuring maximum absorption and effectiveness.
 

Scientific Evidence:

  • Jongkees et al. (2017): Demonstrated that L-Tyrosine supplementation directly increases dopamine and norepinephrine levels, enhancing cognitive function and stress response.

Essential for Neurotransmitter Production & Mental Resilience

Why? 
L-Tyrosine is a precursor to dopamine, norepinephrine, and epinephrine, neurotransmitters critical for motivation, focus, and mood stability, especially in stressful or mentally demanding situations.


Scientific Evidence:

  • Deijen et al. (1999): Found that L-Tyrosine supplementation improved cognitive flexibility and performance under stress.
  • McTavish et al. (2005): Confirmed that L-Tyrosine supplementation helps mitigate cognitive decline due to acute stress or sleep deprivation.

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TWO NUTRA BROS - SMART CHOICE

Stay Sharp, Stay Resilient, Perform at Your Best with Tyrosine NeuroVitality™

Harnessing the power of 100% pure L-Tyrosine, a key amino acid that fuels neurotransmitter production to support focus, mental resilience, and peak cognitive performance.

Competitors

Clinically Effective 500mg Dose - aligns well with research

100% Pure L-Tyrosine – No Fillers or Additives

Easy-to-digest Capsule, free from gelatin and synthetic coating

Scientifically Optimised for Maximum Absorption 

Manufactured in the UK under GMP Standards – Quality you can trust

100% Natural

Vegetarian

Recyclable

Cruelty Free

Additive Free

Lab-Tested

Frequently Asked Questions

What is Tyrosine NeuroVitality, and how does it work?

Tyrosine NeuroVitality is a high-purity L-Tyrosine supplement designed to support cognitive function, mental clarity, and stress resilience. L-Tyrosine is a key amino acid that helps produce essential neurotransmitters like dopamine and norepinephrine, which are crucial for focus, motivation, and mental performance.

Who should take Tyrosine NeuroVitality?

This supplement is ideal for anyone looking to enhance cognitive function, manage stress, and combat mental fatigue. It’s particularly beneficial for students, professionals, athletes, and individuals in high-pressure environments who need to stay sharp and focused.

How should I take Tyrosine NeuroVitality?

For best results, take 1-2 capsules per day on an empty stomach or with a carbohydrate-only snack. Avoid taking it within 3 hours of bedtime, as it can promote alertness.

How does Tyrosine NeuroVitality compare to other L-Tyrosine supplements?

Unlike many competitors, Tyrosine NeuroVitality provides a clinically effective 500mg dose per capsule, ensuring optimal benefits. It is 100% pure, free from fillers, and encapsulated in a high-quality plant-based HPMC capsule, making it superior in purity and effectiveness.

Can Tyrosine NeuroVitality help with stress and mood balance?

Yes! L-Tyrosine plays a crucial role in stress response by supporting the production of dopamine, norepinephrine, and adrenaline, which help the body and brain adapt to stress, improve mood, and maintain focus under pressure.

Is L-Tyrosine safe to use daily?

Yes, Absolutely! L-Tyrosine is a naturally occurring amino acid found in many foods. When taken at recommended doses, it is safe for daily use. However, if you have a medical condition or take medication, consult your healthcare provider before use.

Will Tyrosine NeuroVitality give me an energy boost?

While it’s not a stimulant like caffeine, L-Tyrosine helps maintain neurotransmitter levels that support mental energy, motivation, and cognitive endurance, particularly in stressful or demanding situations.

Is L-Tyrosine suitable for vegans?

No, Tyrosine NeuroVitality is not suitable for vegans, as the L-Tyrosine used in our formula is sourced from duck feathers. However, it is suitable for vegetarians and offers a highly bioavailable, natural source of this essential amino acid.

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Organic

Sulfate-Free

Paraben-Free

100% Vegan

Cruelty Free

Lab-Tested

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L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros
L-Tyrosine - Two Nutra Bros

L-Tyrosine

£28.99