LTF and bacterial urinary tract infection: To overcome this predicament, Haversen et al. have examined the effectiveness of human HDP lactoferrin and lactoferrin-derived peptides, HLD1 (EATKCFQWQRNMRKVRGPPVSCIKR-NH2) and HLD2 (TK(C)FQWQRNMRKVRGPPVS(C)IKR-NH2) in clearing UTI when administered orally [17].