Citrulline yog L-enantiomer ntawm citrulline.Nws muaj lub luag haujlwm ua EC 1.14.13.39 (nitric oxide synthase) inhibitor, tus neeg sawv cev tiv thaiv, nutraceutical, micronutrient, tib neeg metabolite, Escherichia coli metabolite, Saccharomyces cerevisiae metabolite thiab nas metabolite.Nws yog ib qho enantiomer ntawm D-citrulline.Nws yog ib tug tautomer ntawm L-citrulline zwitterion.