Desneves, K. et al. 2005. Treatment with supplementary arginine, vitamin C and zinc in patients with pressure ulcers: A randomised controlled trial

In this clinical study, hospital inpatients with pressure ulcers were randomised to receive daily a standard hospital diet; a standard diet plus two high-protein/energy supplements; or a standard diet plus two high-protein/energy supplements containing additional arginine, vitamin C and zinc. Subjects receiving the arginine-containing nutritional supplement had a significantly improved rate of pressure ulcer healing over the course of three weeks.