Oral L-citrulline supplementation improves erection hardness in men with mild erectile dysfunction
This single-blind study evaluated the efficacy of oral L-citrulline supplementation in 24 men with mild erectile dysfunction (ED), characterized by an erection hardness score (EHS) of 3. Participants received a placebo for one month, followed by 1.5 g/day of L-citrulline for another month. Results showed that 50% of the men