Tyrosine is a non-necessary phenylalanine-derived amino acid. Tyrosine’s construction is produced a para-hydroxylated phenyl ring connected to a pentanoic acid team, that is a five member carbon chain having a carboxyl (C(=O)OH) team around the terminal carbon. This pentanoic acid chain is substituted at R2 having an amino team in https://revivalschem.com/product/buy-al-lad-l-tartrate-pure-l-carnitine-tartrate-online-near-me/