The Human Immunodeficiency Virus (HIV) is one of the worldâs most confusing and complex viruses. In this series, we will strip away the scientific jargon and provide a straightforward guide to HIV with the Elizabeth Glaser Pediatric AIDS Foundation (EGPAF)âs Director of Basic and Clinical Research Jeffrey Safrit.
In the body, L-citrulline is converted to the amino acid L-arginine, which goes on to make another important substance nitric oxide. And nitric oxide is the secret to hard, firm, healthy erections. Heres how it worksâ¦.
Most men with ED start with pills, such as Viagraâ¢â , Levitraâ¢â , Cialisâ¢â  and Stendraâ¢â . These may improve blood flow to the penis, and with sexual stimulation, can help you achieve an erection. If men donât respond to oral medications, they may try other options.