Plays an important catalytic role in the function of many enzymes and is the precursor to several amino acids including glycine and cysteine.
L-Serine – 4 mg
![](https://www.vigrxnitricoxide.com/wp-content/uploads/2019/12/serine.png)
Plays an important catalytic role in the function of many enzymes and is the precursor to several amino acids including glycine and cysteine.