Ginkgo – improves circulation in the peripheral parts primarily genitals, penis, prostate. According to Dr. Ed Smith, poor peripheral circulation is a major cause for weak or insufficient potency in men and in that regard he recommends this herb and it’s benefits.
Ginseng – not every ginseng only Siberian ginseng which has the strongest characteristics of all other herbs from this family. It has been used for centuries in Europe and Asia for resistance to severe disease, energy, balance, stamina and physical performance. It is considered to be a plant which improves sexual condition, fertility and potency.
Hawthorn – fruit of hawthorn has a strong effect on the circulation and blood flow and improves circulation and affects potency in men.
Source : makeyourlifehealthier.com