We are a professional sourcing office for Amino Acids Vitamin,Sweetners, Feed Additives etc.We supply L-Amino acids as follows: L-Leucine,L-Valine,L-Isoleucine,L-Cystine,L-Tyrosine,L-Arginine (base),L-Arginine HCl,L-Histidine (base),L-Histidine HCl Mono,L-Ornithine HCl,L-Alanine,L-Lysine HCl,L-Methionine,L-Tryptophan,L-Serine,L-Glutamic acid,L-Glutamine,L-Phenylalanine,L-Proline,L-Hydroxy proline,Taurine,L-Cysteine Hydrochloride Monohydrate,L-Cysteine Hydrochloride Anhydrous,L-Cysteine,L-Theronine,L-Phenylalanine ..Etc. DL-Amino acids: DL-Cysteine, DL-Cysteine HCl Mono, DL-Aspartic acid, DL-Phenylalanine, DL-Serine, DL-Alanine, DL-Tryptophan...Etc. Acetyl amino acids: N-Acetyl-Cysteine, N-Acetyl-L-Tyrosine, N-Acetyl-L-Leucine, N-Acetyl-DL-Leucine, N-Acetyl-L-Methionine, N-Acetyl-DL-Methionine, N-Acetyl-L-Tryptophan, N-Acetyl-L-Glutamine, N-Acetyl-L-Phenylalanine, N-Acetyl-L-Hydroxy Proline, N-Acetyl-L-Thioproline, N-Acetyl-L-Citrulline, N-Acetyl-L-Glutamic acid...Etc. Compound salts of Amino acids: L-Arginine L-Aspartate, L-Arginine-L-Glutamic acid, L-Ornithine L-Aspartate, Lysine-S-Carboxymethyl-L-Cysteine, L-Arginine Alpha-Ketoglutarate, L-Ornithine Alpha-Ketoglutarate, L-Citrulline L-Malate...Etc. Amino Acids Esters: L-Cysteine Ethyl ester HCl, L-Cysteine Methyl ester HCl, L-Leucine Ethyl ester HCl, L-Leucine Methyl ester HCl, L-Tyrosine Ethyl ester HCl, L-Tyrosine Methyl ester HCl, L-Lysine Ethyl ester HCl, L-Lysine Methyl ester HCl...Etc.Pls feel free to contact us if you are interested in our products, Thank You!