L-Phenylalanine waa amino acid lagama maarmaan ah waana horudhaca amino acid tyrosine.Jidhku ma samayn karo phenylanie laakiin waxa uu u baahan yahay phenylanie si uu u soo saaro borotiinno.Sidaa darteed, baahida bini'aadamka si ay u helaan phenylanie cuntada.3 nooc oo phenylalani ah ayaa laga helaa dabeecadda: D-phenylalanine, L-phenylalanine, iyo DL-phenylalanine.Seddexdan nooc, L-phenylalanine waa qaabka dabiiciga ah ee laga helo inta badan cuntooyinka ay ku jiraan borotiinnada, oo ay ku jiraan hilibka lo'da, digaaga, hilibka doofaarka, kalluunka, caanaha, caano fadhi, ukunta, jiiska, soy-ga, iyo nuts iyo miraha qaarkood.