... KOSHER, HALALName: High quality Tyrosine supplierSynonyms: 3-(4-Hydroxyphenyl)-L-alanine, L-Tyrosine, TyrCertifications: ISO9001, HACCP, KOSHER, HALAL, FAMI-QS ... 4FEMA: 3736Assay: 98.5%-100.5%Properties of L-Tyrosine:L-Tyrosine is an unessential amino acid. Colorless to white ... as, Tryosine is the the main raw material of synthetic peptides hormones, antibiotics, dopamine drugs 3. Feed grade: Tyrosine ...