Not known Factual Statements About scientific studies on semen retention
https://www.youtube.com/watch?v=mFnmosX-8-IL-Arginine is an amino acid essential for protein manufacturing. It is converted into a compound named nitric oxide, which relaxes and widens blood vessels. The end result is improved blood movement, resulting in more powerful erections and an increase in sperm production and motility.Lecithin is usually a