Horny Goat Weed is an all-natural complex to enhance libido and sexual performance in men and women.
 Horny goat weed has a combination of ingredients that may enhance sexual performance through a variety of mechanism such as increased sexual hormone production in the body, increased energy and improved overall well-being.
Horny goat weed is a plant in the genus epimedium which contains around 60 varieties. The aphrodisiac properties of the plant were discovered, according to legend, by a chinese goat herder who noticed his goats were more sexually active after eating the plant, and hence the name. True or not, who knows, but there is science behind the properties if this plant.
The active ingredient of horny goat weed is icarin. Icarin shares several mechanisms with modern drugs used to treat sexual impotence and improve sexual performance such as sildenafil (Viagra) and vardenafil (Levitra). In particular icarin enhances the production of bio active nitric oxide and inhibits the activity of PDE-5. These are the mechanism by which modern drugs such as Viagra and Levitra work. PDE-5 inhibitors block the degradation action of enzymes in the smooth muscle cells lining the blood vessels in the spongy tissue of the penis. Nitric oxide has the effect of dilating the blood vessels and therefore allows for an increase in the flow of blood to blood vessels, in this case an increase in the flow of blood to the blood vessels of the penis. Therefore, the mechanisms at work in horny goat weed are very similar to those in modern drugs designed to treat erectile dysfunction, except of course it is in the form of an all natural supplement.
The various horny goat weed products differ in the form the plant is available, while some include the addition of other ingredients to further enhance the effectiveness of the plant extract.
For a complete explanation of the science please visit horny goat weed on Wikipedia.
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