Doctor's Best D-Phenylalanine 500mg 60 CapsulesWhat is D-Phenylalanine?Doctor’s Best D-phenylalanine is a non-protein amino acid related to the essential amino acid L-phenylalanine.D- and L-phenylalanine are structural mirror images of each other.D-phenylalanine is reported to inhibit an enzyme (enk..
NZ$41.50 NZ$54.90
Doctor's Best L-Tyrosine 500mg 120 CapsulesWhat is L-Tyrosine? Doctor’s Best Tyrosine is a conditionally essential amino acid that is a precursor to the catecholamine transmitters, dopamine, epinephrine, and norepinephrine. These are vital messengers for the brain and the body’s other nerve networks..
NZ$31.50 NZ$39.90
Showing 1 to 2 of 2 (1 Pages)
