L-histidine hydrochloride, oo sidoo kale loo yaqaan Histidine HCl, waa qaabka hydrochloride ee amino acid L-histidine.Badanaa waxaa loo isticmaalaa kaab cunto ahaan ama alaab ceeriin ah oo dawooyinka iyo cuntada lagu daro.L-histidine waa amino acid lagama maarmaanka u ah, taas oo macnaheedu yahay in aanu jidhku samayn karin oo ay tahay in laga helo cunto ama kaabis.