Improving the ability of the blood vessels to widen can potentially improve blood pressure and blood flow to tissues.
Studies have shown that , when people who have heart disease or are at risk of heart disease have consumed L-citrulline for more than seven days, the ability of their arteries to widen has improved
Citrulline supplements may decrease blood pressure, particularly in people with high blood pressure.
Citrulline can increase the rise in growth hormone (GH) seen after exercise; and encrease the performance
The amino acid may also improve erections in men with erectile dysfunction, probably through its ability to increase blood flow.