
L-Tyrosine — Focus & Cognitive Performance
58 products · 45 in stock · €9.35–€41.90 · from €0.09/serving · Estonia 1–3 business days, free from €50.00
All products in L-Tyrosine — Focus & Cognitive Performance (58)
- BIOTECHUSA Beta Alanine 90 Capsules€16.70
- ICONFIT Good Sleep - 90 Capsules€13.55
- ICONFIT L-Arginine - 90 Capsules€13.55
- MST Amino Pump L-Citrulline + L-Arginine 60caps€17.75
- MST Arginine HCL 300g Unflavored€21.95
- MST Beta-Alanine 1200mg 60caps€15.65
- MST Citrulline 500g Unflavored€31.40
- MST Citrulline RAW 300g Unflavoured€24.05
- MST L-Arginine 120caps€18.80
- MST L-Citrulline 1100mg 120caps€18.80
- MST L-Glutamine RAW 500g Unflavored€31.40
- MST L-Glycine vegan 1000mg 120caps€20.90
- MST L-Tryptophan 500mg 60caps€14.60
- MST Taurine 120caps€16.70
- NOW Arginine & Ornithine 100 Veg. Caps€21.95
- NOW Beta Alanine 750mg 120 Caps€29.30
- NOW L-Arginine 500mg 100 veg. caps.€13.55
- NOW L-Tryptophan 500mg 60 veg caps€23.00
- NOW Taurine 500mg 100 veg caps€13.55
- Olimp Beta-Alanine Carno Rush Mega 80 Tabs€15.65
- Optimum Nutrition Glutamine 630g€41.90
- OstroVit AOL 3000 120 Capsules€17.75
- OstroVit Arginine 210g Orange€11.45
- OstroVit Arginine 3000mg 150 caps€14.60
- OstroVit BCAA + Glutamine 200g Lemon€12.50
- OstroVit BCAA + Glutamine 5500mg 300caps€27.20
- OstroVit Beta-Alanine 200g€11.45
- OstroVit Beta-Alanine 2400mg 150 caps€10.40
- OstroVit Citrulline 4400 - 150 Capsules€16.70
- OstroVit GH Booster Extreme 90caps€13.55
- OstroVit Glutamine 300g Natural€11.45
- OstroVit Glutamine 5000mg 150caps€14.60
- OstroVit HMB 210g Naturaalne€19.85
- OstroVit HMB 2250 150 Caps€15.65
- OstroVit L-Theanine + L-Tyrosine VEGE 90 capsules€12.50
- OstroVit L-Theanine 90 caps€9.35
- OstroVit Leucine 200g€11.45
- OstroVit Lysine 200g€10.40
- OstroVit Ornithine 200g€16.28
- OstroVit Taurine 300g€9.35
- OstroVit Taurine 1500mg 120caps€10.40
- OstroVit Tryptophan 200g€13.55
- OstroVit Tryptophan VEGE 90 caps€9.35
- OstroVit Tyrosine 210g Natural€16.70
- VitalHarmony Arginine 90 Capsules€11.45
- BIOTECHUSA Men's Arginine - 90 TabletsOut of stock
- DY HIT BCAA 4:1:1 + Glutamine 450g PeachOut of stock
- DY The Glutamine Recovery 300gOut of stock
- L-Tyrosine 1000 90 VcapsOut of stock
- MST Beta-Alanine 300gOut of stock
- MST L-Citrulline 240capsOut of stock
- MST L-Glutamine 300g UnflavoredOut of stock
- Mutant L-Glutamine 300gOut of stock
- NOW Foods Arginine 500mg & Citrulline 120capsOut of stock
- NOW L-Lysine 1000mg 100tabsOut of stock
- Olimp Citrulline Malate 200g Cool LemonadeOut of stock
- OstroVit Citrulline 210g NaturalOut of stock
- OstroVit Glycine 200g NaturalOut of stock
What is L-tyrosine and how does it support mental performance?
L-tyrosine is an amino acid from which the body synthesizes crucial neurotransmitters — dopamine, norepinephrine, and epinephrine — that regulate motivation, focus, and stress response. During stress and fatigue, these neurotransmitters deplete rapidly, leading to mental fatigue and reduced motivation. Tyrosine supplementation helps maintain stable neurotransmitter levels, improving focus and decision-making during both intense training and mentally demanding situations.
Frequently asked questions about L-tyrosine
Yes, tyrosine improves focus especially in stressful situations. Studies show that tyrosine helps maintain cognitive performance during fatigue, sleep deprivation, and physical stress. For athletes, this means better focus during prolonged training sessions and competitions, especially when mental fatigue begins affecting technique.
The effective dose is 500-2,000 mg, taken 30-60 minutes before training or mentally demanding activities. Start with a lower dose (500 mg) and increase as needed. Tyrosine can also be taken in the morning on an empty stomach for better absorption. Do not exceed 3,000 mg per day.
NALT (N-acetyl-L-tyrosine) is an acetylated form of tyrosine that is more water-soluble. However, studies show that the body's ability to convert NALT into free tyrosine is limited, making pure L-tyrosine more effective for raising dopamine levels. NALT often requires a higher dose to achieve the same effect.
Yes, L-tyrosine is generally safe for daily use at recommended doses. Since the body regulates dopamine production, tyrosine does not cause dependency or tolerance buildup. Those with thyroid disorders should consult their doctor, as tyrosine is also a precursor to thyroid hormones.














