Horny Goat Weed Capsules & Maca Extract Capsules LIBIDO BOOSTER 60 VEGAN Capsules Horny Goat Weed. Help with Libido, Joint Pain, Mental Boost, Fatigue, and More! Horny Goat Weed (HGW) is used as an aphrodisiac and also helps for ED. In my personal experience it actually excels in both areas almost without equal.