There have been some studies to suggest that a placebo effect that improves ED may work for some men. One study found that men taking an oral placebo pill showed as much improvement in ED symptoms as men who took actual medication to improve ED. Conversely, men who were given therapeutic suggestions to improve ED did not see signs of symptom improvement.
As mentioned above, the extract of yohimbe bark has been used as an aphrodisiac for centuries. Recently, yohimbe supplement also became popular for its bodybuilding and fat-burning properties, despite the lack of data to support it as a dieting agent. In addition, supplement manufacturers claim that yohimbe can be used for the following applications:6,7
Low levels of zinc can be the cause for a variety of health-related problems. Zinc is a key mineral that cells use to metabolize nutrients. Immune function, DNA and protein production, and cell division are all related to zinc levels in the body. Zinc also enables the male body to produce testosterone. Because of this, your levels of zinc may affect erectile dysfunction.