Tier IIAmino acid · catecholamine
L-tyrosine
Amino acid · catecholamine
Recommended Dose
500–1000 mg
Purity Standard
99.0% — sourced from Now Foods
Clinical Evidence
60 indexed trials · Tier II
Hallmarks Addressed
Hallmarks 02
Amino acid · catecholamine
500–1000 mg
99.0% — sourced from Now Foods
60 indexed trials · Tier II
Hallmarks 02