Ginkgo has the potential to increase blood flow to the penis. Not studied in people or negative results Herb or supplement Yohimbe shouldn't be used without a doctor's supervision. This herb has been linked to a number of side effects, including increased blood pressure, fast or irregular heartbeat, and anxiety. Studied in people, positive results, risky Herb or supplementДЄ number of clinical trials have shown that the primary component of this bark from an African tree can improve sexual dysfunction associated with selective-serotonin reuptake inhibitors (SSRIs) used to treat depression. Propionyl-L-carnitine is likely to be safe when used under medical supervision. Studies have shown that propionyl-L-carnitine combined with Viagra might improve erectile function better than sildenafil alone. Insomnia, headaches and vertigo are common side effects. It appears to be safe used on a short-term basis. Panax ginseng contains many active ingredients.

A cream preparation is used for premature ejaculation. One study of Panax ginseng showed it improved sexual function in men with erectile dysfunction. Don't take L-arginine with sildenafil (Viagra). Side effects may include nausea, cramps and diarrhea. Some evidence shows that taking high doses improves erectile dysfunction by stimulating blood vessels to open wider for improved blood flow. Some evidence shows that dehydroepiandrosterone (DHEA) increases libido in women and helps erectile dysfunction in men.ДHEA appears to be safe at low doses. Here's a guide to erectile dysfunction herbs and supplements: Studied in people, positive results, generally safe Herb or supplement

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