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 Methyl B – 90 capsules $30.00 Add to cart Phosphatidyl Serine Memory Maintenance – 60 capsules $33.00 Add to cart