L-Tyrosine

Category: amino-acid

Aliases: tyrosine

Pharmacological Mechanism

Catecholamine precursor; supports dopamine/norepinephrine synthesis under stress.

Half-Life (t½)

PO: 3h

Dosing Guidelines

• PO: Typical 1000 (Range: 500–2000)

Target Organ Systems

• nervous

Notes

Best taken on empty stomach; effect strongest under acute stressors. LNAA transport competes with other large-neutral aminos.

Pathways It Modulates

• Tyrosine metabolism (broader) (substrate) — L-isomer (supplement form)

Chemical Identifiers

• PubChem CID: 6057
• Formula: C9H11NO3
• Molecular weight: 181.19 g/mol
• InChIKey: OUYCCCASQSFEME-QMMMGPOBSA-N
• SMILES: C1=CC(=CC=C1C[C@@H](C(=O)O)N)O

References

• PMID 7794222
• PMID 481129