Mar 28, Erectile dysfunction is more common than you think. Recent studies have shown that 30 million American men suffer from this condition. Aug 20, Niacin. A study in the Journal of Sexual Medicine looked at niacin. The study included men with high cholesterol and moderate to severe ED. Aug 19, Niacin may lower inflammation in blood vessels, alleviating ED. So it's no surprise that niacin also helps ED, because atherosclerosis and ED. Cancel Post. Our view. However, you article source actually be better off going one step back in the chain reaction and taking an L-citrulline supplement. Kathryn Gilhuly is a wellness coach based in San Diego. However, yohimbe also has a handful of side effects, including elevated blood pressure and link, so definitely talk to your doctor before you start on the supp. Notify of new replies to this comment. Some medications that treat high blood pressure, high cholesterol and heart disease also relax your blood vessels. Increase in blood cholesterol is one of the major causes of erectile dysfunction. Submit vote Cancel. Medications to treat erectile dysfunction relax blood vessels in a man's penis to help obtain and maintain an erection. The men started with a daily dose of mg, to make sure they had no adverse side effects, then increased to 1, mg and then 1, mg. More serious side effects include hearing loss and erections that last longer than four hours. Cancel Flag comment. Tech news. Share this article. Get your supply here! Spread the word. The men started with a daily dose of milligrams mgto make sure they had no adverse side effects, then increased to 1, mg and then 1, mg. The results, published earlier this month, show that the 80 men in the study with moderate or severe erectile dysfunction ED and high cholesterol reported an improvement in their ability to maintain an erection after supplementing their diet with niacin.