The stereoisomer D-phenylalanine (DPA) can be produced by regular organic synthesis, either as an individual enantiomer or to be a part of the racemic combination. It does not take part in protein biosynthesis although it is located in proteins in compact quantities - significantly aged proteins and food items proteins https://adrafinilbuy32097.activablog.com/29986586/5-essential-elements-for-mdphp