L-Tyrosine, a constituent of dietary protein, is a substrate or precursor to the catecholamine neurotransmitters norepinephrine, epinephrine and dopamine. Jarrow Formulas® L-Tyrosine contains pure crystalline L-Tyrosine.
Directions: Take one capsule one or two times per day on an empty stomach, immediately after arising in the morning, preferably with juice as a carbohydrate source or as directed by your qualified healthcare professional.