HORNY GOAT WEED: Behind the funny name of Horny Goat Weed stands as a time-tested aphrodisiac of over 2000 years that increases libido in men and women, and improves erectile function in men. Horny goat weed has hormonal balancing and hormone-improving qualities which may be what makes it potentially so powerful as an aphrodisiac. Horny goat weed is best known as a sexual tonic to increase sex drive and performance. Horny goat weed is used to restore sexual fire, boost erectile function, help with fatigue and alleviate menopausal discomfort.