-21 %
Brand: Doctor's Best Supplements Science Based Nutrition
Model: Doctor's Best
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
-24 %
Brand: Doctor's Best Supplements Science Based Nutrition
Model: Doctor's Best
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
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