Firstly, it’s important to ensure that the supplement contains both D-phenylalanine and L-phenylalanine, as both components are necessary for the supplement’s intended benefits. Additionally ...

Purpose: Blood phenylalanine monitoring is critical for ... using a combination of Beckman Coulter's lithium buffers A, D, E, and F (pH range from 2.9 to 3.9) of variable ionic strength and ...