Dl-Methionine, CAS# 59-51-8, is a amino acid manufactured through fermentation, available as White Crystalline Powder. Dl-Methionine is widely used as nutrition supplements. It is widely accepted as safe food additive in many countries. As a professional supplier and manufacturer of food additives, Foodchem International Corporation has been supplying quality Dl-Methionine to customers all over the world for over 10 years.