The #1 Brand Extenze now is in a fast acting Libido Enhancer! We started with a delicious, bold-flavored shot and combined it with the ExtenZe male enhancement formula, which will temporarily enhance your size with each serving. Drink...Enjoy...and Enjoy again. ExtenZe Shot Libido shooter can be mixed with alcohol. It contains caffeine to keep you going and other herbal ingredients like l-arginine, gamma aminobutyric acid, betaine, l-theanine, panax ginseng, Rhodiola rosea extract, maca extract, epimedium extract, yohimbine hci.