L-Cysteine hydrochloride is a nonessential amino acid in humans. Important in protein crosslinking It is a precursor in the food, pharmaceutical, and personal care industries. One of the largest applications is the production of flavors.It is roposed as a preventative or antidote for some of the negative effects of alcohol, including liver damage and hangover.
L-Glutamine is one of the 20 amino acids encoded by the standard genetic code. It is not an essential amino acid. Its side-chain is an amide formed by replacing the side-chain hydroxyl of glutamic acid with an amine functional group. Therefore, it can be considered the amide of glutamic acid.
L-Methionine is an antioxidant found in meat and dairy products. It is also one of eight essential amino acids, meaning it is a required building block for proteins and it cannot be manufactured in the body. It is beneficial in the treatment and prevention of liver disease.
L-Phenylalanine is an electrically neutral amino acid, one of the twenty common amino acids used to biochemically form proteins, coded for by DNA. The codons for L-phenylalanine are UUU and UUC. L-Phenylalanine is produced for medical, feed, and nutritional applications, such as aspartame, in large quantities by utilizing the bacterium Escherichia coli, which naturally produces aromatic amino acids like phenylalanine.