Ramulast It is also known as epimedium leaf. The more common name, horny goat weed, was given to the herb by goat herders who took notice of the increased sexual activity of their goats when they ate this weed. Doctors from China, in fact, commonly prescribe the use of this weed to patients with sexual dysfunction. Using this herb can result to increased vitality and libido in both women and men; restored Male Enhancement sexual function; and alleviated menopausal discomfort. No known serious side effects are reported about the horny goat weed. The usual dosage is 1,000-2,000 mg.