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Amino acids 10% confidence · 1 studies

L-Tyrosine

Amino acid precursor of dopamine, norepinephrine, and epinephrine. Improves cognitive performance under stress, sleep deprivation, and extreme cold.

Morning Empty stomach +16 years

What is it for?

Improve focus

Maintains focus under stress or sleep loss

Moderate evidence

Absorption: Take on an empty stomach in the morning. NALT (N-acetyl-L-tyrosine) is less bioavailable than free L-tyrosine. Rapid effects (30-60 min).

Caution: Contraindicated with MAOIs and thyroid medications. May cause anxiety in sensitive individuals. Do not use with hyperthyroidism.

Recommended doses

general2000 mg

Range: 500 – 6000 mg

Scientific references (1)▼
Tyrosine supplementation and cognitive performance under stress(2015)PUBMED

Revision. L-tirosina mejora rendimiento cognitivo bajo estres agudo, privacion de sueno y frio extremo.

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Product comparator (2)

Sorted by cost per dose, from cheapest to most expensive

Best price per dose
L-Tirosina 365 Capsulas 1000mg con B3+B12
L-Tirosina 365 Capsules 1000mg with B3+B12

Gloryfeel DE

19.97€0.05€/dose~1.64€/month
1000mg L-tirosina + B3 + B12 365 servings★ 4.4
Amazon Free with Prime
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L-Tirosina 1300mg - 365 Cápsulas Veganas
L-Tirosina 1300mg - 365 Capsules Vegan

Vit4ever DE

20.89€0.06€/dose~1.72€/month
1300mg L-tirosina 365 servings★ 4.5
Amazon Free with Prime
Buy

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