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Feature

Pack of 120 capsules
An essential amino acid that can be readily converted into the amino acid tyrosine
Must be obtained through the diet or supplementation
Manufacturer has changed product ingredient to vegetarian capsule. Amazon will offer replacement for non-Vcap shipments

Description

L-Phenylalanine is an essential amino acid that can be readily converted into the amino acid tyrosine. Because tyrosine is necessary for the synthesis of proteins and the production of the neurotransmitters dopamine and norepinephrine, phenylalanine is an extremely important nutrient that must be obtained through the diet or supplementation.*