We have researched and tested various DLPA supplements to bring you a list of the best products available on Amazon. DLPA, or DL-Phenylalanine, is a combination of two forms of the amino acid ...

Phenylalanine is metabolized to produce maleylacetoacetate in a four-step biochemical reaction. Absence of the enzyme homogentisate oxidase causes the buildup of homogentisate, leading to the ...