Here's our purchasing list
L-Asparagine - 70-47-3 food grade
L-Arginine - 74-79-3 food grade
β-Alanine (beta-alanine) - 107-95-9 food grade
Valine - 72-18-4 feed grade
Glycine
L-Cysteine hydrochloride Anhydrous - 52-89-1 food grade
L-Cysteine - 52-90-4 food grade
L-Lysine Monohydrochloride - 657-27-2 feed grade
L-Proline - 147-85-3 food grade
L-Threonine - 6028-28-0 feed grade
L-Tryptophan powder - 73-22-3 food grade
L-Tyrosine - 60-18-4 food grade