L-Tyrosine – 90 capsules Comments Off on L-Tyrosine – 90 capsules Sorry, this product cannot be purchased. $20.00 Add to cart Category: Specialty FormulasL-TYROSINE is an amino acid precursor to the catecholamine pathway.Related Products SAM-e – 30 capsules $37.00 Add to cart Betaine HCl* – 120 capsules $40.00 Add to cart Lutein Zeaxanthin – 30 capsules $18.00 Add to cart