L-Tyrosine – 90 capsules Comments Off on L-Tyrosine – 90 capsules $20.00 Add to cart Category: Specialty FormulasL-TYROSINE is an amino acid precursor to the catecholamine pathway.Related Products Amino Acid Complex – 90 capsules $30.00 Add to cart Glutamine – 500 grams (1.10 lbs) $39.00 Add to cart