Horny Goat Weed has been used for centuries throughout the world to enhance sexual desire in men and women. Only the finest Standardized Herbs are used in our Horny Goat Weed Plus formula. These herbs have been used for centuries throughout the world to enhance sexual desire in men and women. Is is believed that it's name comes from the Goat herders who noticed the Goats became aroused after eating the weed. Allergen free of yeast, wheat, corn, milk, soy, citrus, lactose, eggs and fish products. no sugar, salt, starch, artificial colors or flavors No preservatives added. Components in this product are derived from natural sources.