Jarrow Formulas L-Tyrosine 500 mg - 100 Capsules - Supports Brain Function - Brain Neurotransmitter Precursor - Free Form Amino Acid - Contains Pure Crystalline L-Tyrosine - 100 Servings

Jarrow Formulas L-Tyrosine is a free form amino acid that supports brain function.* This formula contains pure crystalline l-tyrosine. A constituent of dietary protein, L-tyrosine is a substrate or precursor to the catecholamine neurotransmitters norepinephrine, epinephrine, & dopamine, the levels of which can be affected by the amount of tyrosine consumed.